Summarize this content to 400 words in Persian Lang <\/p>\n
\ud83d\udd25\u0627\u062a\u0635\u0627\u0644: https:\/\/www.subham.online<\/p>\n
\ud83d\udd25\u062a\u0648\u06cc\u062a\u0631: https:\/\/twitter.com\/TheSubhamMaity<\/p>\n
\u25b6\ufe0f \u0645\u0639\u0631\u0641\u06cc<\/p>\n
\u2b50 OOPs \u0686\u06cc\u0633\u062a\u061f<\/p>\n
\u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f\u06cc \u0628\u0631\u0627\u06cc \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u0627\u0634\u06cc\u0627 \u0627\u0633\u062a.<\/p>\n
\u2b50 4 \u0633\u062a\u0648\u0646 OOP<\/p>\n
\u0627\u0635\u0637\u0644\u0627\u062d\u0627\u062a \u062f\u0631 OOP<\/p>\n
\u0627\u0646\u062a\u0632\u0627\u0639 – \u067e\u0646\u0647\u0627\u0646 \u06a9\u0631\u062f\u0646 \u062c\u0632\u0626\u06cc\u0627\u062a \u062f\u0627\u062e\u0644\u06cc (\u0641\u0642\u0637 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u062f!)<\/p>\n
\u06a9\u067e\u0633\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 – \u0639\u0645\u0644 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0627\u062c\u0632\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 (\u062f\u0631 \u06cc\u06a9 \u06a9\u067e\u0633\u0648\u0644)<\/p>\n
\u0627\u0631\u062b – \u0639\u0645\u0644 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u0686\u06cc\u0632\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0627\u0632 \u0686\u06cc\u0632\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f<\/p>\n
\u0686\u0646\u062f \u0634\u06a9\u0644\u06cc – \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u060c \u0627\u0634\u06a9\u0627\u0644 \u0645\u062a\u0639\u062f\u062f<\/p>\n
\u25b6\ufe0f \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0648 \u067e\u0631\u0648\u062a\u0648<\/p>\n
\u0627\u0634\u06cc\u0627\u0621 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc \u062e\u0627\u0635\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0647\u0633\u062a\u0646\u062f prototype \u06cc\u0639\u0646\u06cc \u06cc\u0627 null \u06cc\u0627 \u0628\u0647 \u0634\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f <\/p>\n
\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0627 \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0634\u06cc \u0628\u062e\u0648\u0627\u0646\u06cc\u0645\u060c \u0648 \u0622\u0646 \u0627\u0632 \u062f\u0633\u062a \u0631\u0641\u062a\u0647 \u0627\u0633\u062a\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0622\u0646 \u0631\u0627 \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06af\u06cc\u0631\u062f. \u0627\u06cc\u0646 \u0648\u0631\u0627\u062b\u062a \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f<\/p>\n
\u2b50 \u062a\u0646\u0638\u06cc\u0645 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647<\/p>\n
\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0628\u0627 \u062a\u0646\u0638\u06cc\u0645 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u0645 __proto__. \u0627\u06af\u0631 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0634\u06cc \u0628\u062e\u0648\u0627\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0634\u06cc \u0646\u06cc\u0633\u062a \u0627\u0645\u0627 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06af\u06cc\u0631\u062f. \u0627\u06af\u0631 \u0645\u062a\u062f\u06cc \u062f\u0631 \u0634\u06cc\u0621 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u0627\u0632 \u0634\u06cc\u0621 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0627\u06af\u0631 \u062f\u0631 \u0634\u06cc\u0621 \u0645\u0648\u062c\u0648\u062f \u0646\u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u2b50 \u0645\u062b\u0627\u0644:<\/p>\n
\/\/It will work properly
\nlet p = {
\n run : () => {
\n console.log(“run”)
\n }
\n}<\/p>\n
p.run()\/\/Output: – run<\/p>\n
\/\/Let’s define another property
\nlet a = {
\n name : ” subham”
\n}<\/p>\n
a.run() \/\/TypeError: a.run is not a function<\/p>\n
\/\/Now with proto
\nlet b = {
\n name : ” subham”
\n}
\nb.__proto__ = p
\nb.run() \/\/Output: – run<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0628\u0647 \u0633\u0627\u062f\u06af\u06cc\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u06cc\u06a9 \u0634\u06cc \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0634\u06cc \u062f\u06cc\u06af\u0631 \u0628\u0647 \u0627\u0631\u062b \u0628\u0628\u0631\u06cc\u062f. \u0627\u06cc\u0646 \u0648\u0631\u0627\u062b\u062a \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\/\/It will work properly
\nlet p = {
\n run : () => {
\n console.log(“p run”)
\n }
\n}<\/p>\n
p.run()\/\/Output: – p run<\/p>\n
\/\/Now with proto
\nlet b = {
\n run : () => {
\n console.log(“b run”)
\n }
\n}
\nb.__proto__ = p
\nb.run() \/\/Output: – b run<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u06af\u0631 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u06cc\u0627 \u0645\u062a\u062f \u0627\u0632 \u0642\u0628\u0644 \u062f\u0631 \u0634\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0622\u0646 \u0648\u06cc\u0698\u06af\u06cc \u06cc\u0627 \u0645\u062a\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f. \u0627\u06af\u0631 \u062f\u0631 \u0634\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0627\u0645\u0627 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u0627\u0632 \u0646\u0645\u0648\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06af\u06cc\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 run \u0631\u0648\u0634 \u0642\u0628\u0644\u0627\u064b \u062f\u0631 b \u0634\u06cc\u060c \u00abb run\u00bb \u0631\u0627 \u0686\u0627\u067e \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n
\u25b6\ufe0f \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0648 \u0634\u06cc<\/p>\n
\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627\u060c \u06a9\u0644\u0627\u0633 \u06cc\u06a9 \u062a\u0639\u0631\u06cc\u0641 \u0642\u0627\u0644\u0628\u06cc \u0627\u0632 \u0645\u062a\u062f\u0647\u0627 \u0648 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0646\u0648\u0639 \u062e\u0627\u0635 \u0627\u0632 \u0634\u06cc \u0627\u0633\u062a.
\n\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc \u06af\u0631\u0627\u060c \u06cc\u06a9 \u0634\u06cc \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u062e\u0627\u0635 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 (\u06cc\u0627 \u0633\u0627\u062e\u062a\u0627\u0631) \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u062a\u062e\u0635\u06cc\u0635 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n
\u2b50 \u0645\u062b\u0627\u0644:<\/p>\n
\/\/class
\nclass GoogleForm {
\n submit() {
\n console.log(this.name + ” ” + this.roll + ” Your form submitted”)
\n }
\n cancel() {
\n console.log(this.name + ” ” + this.roll +” Your form cancelled”)
\n }
\n fill(given_name , roll) {
\n this.name = given_name
\n this.roll = roll
\n }
\n}<\/p>\n
\/\/object
\nconst student1Form = new GoogleForm()<\/p>\n
student1Form.fill(“Rahul” , 24)<\/p>\n
const student2Form = new GoogleForm()<\/p>\n
student2Form.fill(“Raj” , 25)<\/p>\n
student2Form.cancel()<\/p>\n
student1Form.submit()<\/p>\n
student2Form.submit()<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f \u0633\u0627\u0632\u0646\u062f\u0647<\/p>\n
\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0633\u0627\u0632\u0646\u062f\u0647 \u06cc\u06a9 \u0627\u0633\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0648\u06cc\u0698\u0647 \u06a9\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0648 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062d\u0627\u0644\u062a \u0648 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u062f. <\/p>\n
\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0622\u0646\u0647\u0627 \u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0647 \u0627\u0646\u062f \u0641\u0631\u0645 \u0631\u0627 \u067e\u0631 \u06a9\u0646\u0646\u062f \u0648 \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u0646\u062f \u0648 \u0628\u0647 \u0635\u0648\u0631\u062a \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u067e\u0631\u062a\u0627\u0628 \u0645\u06cc \u0634\u0648\u062f!<\/p>\n
class Form {<\/p>\n
submit() {
\n console.log(this.name + “: Your form is submitted for train number: ” + this.trainno)
\n }<\/p>\n
cancel() {
\n console.log(this.name + “: This form is cancelled for train number: ” + this.trainno)
\n this.trainno = 0
\n }
\n fill(givenname, trainno) {
\n this.name = givenname
\n this.trainno = trainno
\n }<\/p>\n
}<\/p>\n
let myForm1 = new Form()<\/p>\n
let myForm2 = new Form()
\n\/\/
\n\/\/ myForm1.fill(“Gaurav”, 1234)
\n\/\/
\n\/\/ myForm2.fill(“Rahul”, 5678)<\/p>\n
myForm1.submit()<\/p>\n
myForm2.submit()<\/p>\n
myForm2.cancel()<\/p>\n
\/\/ Output: undefined: Your form is submitted for train number: undefined
\n\/\/ Output: undefined: Your form is submitted for train number: undefined
\n\/\/ Output: undefined: This form is cancelled for train number: undefined<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u06a9\u0646\u0648\u0646 \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f\u060c<\/p>\n
class Form {<\/p>\n
constructor() {
\n this.name = “Gaurav”
\n this.trainno = 0
\n }<\/p>\n
submit() {
\n console.log(this.name + “: Your form is submitted for train number: ” + this.trainno)
\n }<\/p>\n
cancel() {
\n console.log(this.name + “: This form is cancelled for train number: ” + this.trainno)
\n this.trainno = 0
\n }
\n fill(givenname, trainno) {
\n this.name = givenname
\n this.trainno = trainno
\n }<\/p>\n
}<\/p>\n
let myForm1 = new Form()<\/p>\n
let myForm2 = new Form()<\/p>\n
\/\/ myForm1.fill(“Gaurav”, 1234)
\n\/\/
\n\/\/ myForm2.fill(“Rahul”, 5678)<\/p>\n
myForm1.submit()<\/p>\n
myForm2.submit()<\/p>\n
myForm2.cancel()<\/p>\n
\/\/ Output: Gaurav: Your form is submitted for train number: 0
\n\/\/ Output: Gaurav: Your form is submitted for train number: 0
\n\/\/ Output: Gaurav: This form is cancelled for train number: 0<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u0627\u0646\u0648\u0627\u0639 \u0633\u0627\u0632\u0646\u062f\u0647<\/p>\n
\u0633\u0627\u0632\u0646\u062f\u0647 \u0628\u062f\u0648\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631: \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc \u06a9\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0646\u062f\u0627\u0631\u062f.<\/p>\n
class Example {
\n constructor() {
\n this.property = “default value”;
\n }
\n }<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0633\u0627\u0632\u0646\u062f\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc \u0634\u062f\u0647: \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc \u06a9\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f.<\/p>\n
class Example {
\n constructor(value) {
\n this.property = value;
\n }
\n }<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u067e\u06cc: \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u067e\u06cc \u062f\u0627\u062e\u0644\u06cc \u0645\u0627\u0646\u0646\u062f C++ \u06cc\u0627 \u062c\u0627\u0648\u0627 \u0646\u062f\u0627\u0631\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n
class Example {
\n constructor(value) {
\n this.property = value;
\n }<\/p>\n
copy() {
\n return new Example(this.property);
\n }
\n }<\/p>\n
const original = new Example(“original value”);
\n const copy = original.copy();<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0628\u0631\u062e\u0644\u0627\u0641 \u0632\u0628\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f C++\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u0631\u0627\u06cc \u062a\u062e\u0631\u06cc\u0628\u06af\u0631 \u0646\u06cc\u0633\u062a. \u062f\u0631 \u0639\u0648\u0636\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u06cc\u06a9 \u062c\u0645\u0639\u200c\u0622\u0648\u0631\u06cc \u0632\u0628\u0627\u0644\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0645\u062a\u06a9\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u062a\u0648\u0632\u06cc\u0639 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n
\u25b6\ufe0f \u0627\u0631\u062b<\/p>\n
\u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0648 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0627\u0632 \u06a9\u0644\u0627\u0633 \u062f\u06cc\u06af\u0631 \u0648\u0631\u0627\u062b\u062a \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. <\/p>\n
\u2b50 \u0686\u0631\u0627\u061f<\/p>\n
\u0627\u06af\u0631 \u0646\u0645\u06cc \u062f\u0627\u0646\u06cc\u062f \u0627\u0631\u062b \u0686\u06cc\u0633\u062a<\/p>\n
class Animal {
\n constructor(name, color , age) {
\n this.name = name
\n this.color = color
\n this.age = age
\n }
\n run() {
\n console.log(this.name + ‘ is running’)
\n }<\/p>\n
shout() {<\/p>\n
console.log(this.name + ‘ is shouting’)
\n }<\/p>\n
sleep() {
\n console.log(this.name + ‘ is sleeping’)
\n }
\n}<\/p>\n
\/\/If you are nub developer you will do
\nclass Monkey {
\n constructor(name, color) {
\n this.name = name
\n this.color = color
\n }
\n run() {
\n console.log(this.name + ‘ is running’)
\n }<\/p>\n
shout() {<\/p>\n
console.log(this.name + ‘ is shouting’)
\n }<\/p>\n
sleep() {
\n console.log(this.name + ‘ is sleeping’)
\n }<\/p>\n
eatBanana() {
\n console.log(this.name + ‘ is eating banana’)
\n }
\n}<\/p>\n
const animal_1 = new Monkey(‘Simba monkey’, ‘Brown’, 2)<\/p>\n
const animal_2 = new Animal(‘Donkey’, ‘White’, 3)<\/p>\n
animal_1.eatBanana()<\/p>\n
animal_2.shout()<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u06af\u0631 \u0645\u06cc \u062f\u0627\u0646\u06cc\u062f<\/p>\n
\/\/Parent Class – Base Class
\nclass Animal {
\n constructor(name, color , age) {
\n this.name = name
\n this.color = color
\n this.age = age
\n }
\n run() {
\n console.log(this.name + ‘ is running’)
\n }<\/p>\n
shout() {<\/p>\n
console.log(this.name + ‘ is shouting’)
\n }<\/p>\n
sleep() {
\n console.log(this.name + ‘ is sleeping’)
\n }
\n}<\/p>\n
\/\/Child Class – Derived Class
\nclass Monkey extends Animal{
\n eatBanana() {
\n console.log(this.name + ‘ is eating banana’)
\n }
\n \/\/you can also add new methods
\n hide() {
\n console.log(this.name + ‘ is hiding’)
\n }
\n}<\/p>\n
const animal_1 = new Monkey(‘Simba monkey’, ‘Brown’, 2)<\/p>\n
const animal_2 = new Animal(‘Donkey’, ‘White’, 3)<\/p>\n
animal_1.eatBanana()
\nanimal_1.run()
\nanimal_1.hide()<\/p>\n
animal_2.shout()<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u0627\u0646\u0648\u0627\u0639 \u0627\u0631\u062b<\/p>\n
\u0648\u0631\u0627\u062b\u062a \u062a\u06a9\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u06a9\u0644\u0627\u0633 \u062f\u06cc\u06af\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0628\u0631\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0627\u062b\u062a \u062a\u06a9 \u0633\u0637\u062d\u06cc \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
class Shape {
\n area() {
\n console.log(“Displays Area of Shape”);
\n }
\n}<\/p>\n
class Triangle extends Shape {
\n area(h, b) {
\n console.log((1\/2) * b * h);
\n }
\n}<\/p>\n
const triangle = new Triangle();
\ntriangle.area(10, 5); \/\/ Output: 25<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0648\u0631\u0627\u062b\u062a \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0628\u06cc\u0634 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u067e\u0627\u06cc\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
class Shape {
\n area() {
\n console.log(“Displays Area of Shape”);
\n }
\n}<\/p>\n
class Triangle extends Shape {
\n area(h, b) {
\n console.log((1\/2) * b * h);
\n }
\n}<\/p>\n
class Circle extends Shape {
\n area(r) {
\n console.log(3.14 * r * r);
\n }
\n}<\/p>\n
const triangle = new Triangle();
\ntriangle.area(10, 5); \/\/ Output: 25<\/p>\n
const circle = new Circle();
\ncircle.area(7); \/\/ Output: 153.86<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0648\u0631\u0627\u062b\u062a \u0686\u0646\u062f\u0633\u0637\u062d\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u062f\u06cc\u06af\u0631 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
class Shape {
\n area() {
\n console.log(“Displays Area of Shape”);
\n }
\n}<\/p>\n
class Triangle extends Shape {
\n area(h, b) {
\n console.log((1\/2) * b * h);
\n }
\n}<\/p>\n
class EquilateralTriangle extends Triangle {
\n constructor(side) {
\n super();
\n this.side = side;
\n }<\/p>\n
area() {
\n console.log((Math.sqrt(3) \/ 4) * this.side * this.side);
\n }
\n}<\/p>\n
const equilateralTriangle = new EquilateralTriangle(5);
\nequilateralTriangle.area(); \/\/ Output: 10.825317547305486<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0648\u0631\u0627\u062b\u062a \u062a\u0631\u06a9\u06cc\u0628\u06cc \u062a\u0631\u06a9\u06cc\u0628\u06cc \u0627\u0632 \u0648\u0631\u0627\u062b\u062a \u0633\u0627\u062f\u0647\u060c \u0686\u0646\u062f\u06af\u0627\u0646\u0647 \u0648 \u0648\u0631\u0627\u062b\u062a \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628\u06cc \u0627\u0633\u062a. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0632 \u0648\u0631\u0627\u062b\u062a \u0686\u0646\u062f\u06af\u0627\u0646\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u06cc\u06a9\u0633\u06cc\u0646 \u0628\u0647 \u0631\u0641\u062a\u0627\u0631 \u0645\u0634\u0627\u0628\u0647\u06cc \u062f\u0633\u062a \u06cc\u0627\u0628\u06cc\u0645.<\/p>\n
class Shape {
\n area() {
\n console.log(“Displays Area of Shape”);
\n }
\n}<\/p>\n
class Triangle extends Shape {
\n area(h, b) {
\n console.log((1\/2) * b * h);
\n }
\n}<\/p>\n
class Circle extends Shape {
\n area(r) {
\n console.log(3.14 * r * r);
\n }
\n}<\/p>\n
const mixin = (Base) => class extends Base {
\n perimeter() {
\n console.log(“Calculates Perimeter”);
\n }
\n};<\/p>\n
class EquilateralTriangle extends mixin(Triangle) {
\n constructor(side) {
\n super();
\n this.side = side;
\n }<\/p>\n
area() {
\n console.log((Math.sqrt(3) \/ 4) * this.side * this.side);
\n }
\n}<\/p>\n
const equilateralTriangle = new EquilateralTriangle(5);
\nequilateralTriangle.area(); \/\/ Output: 10.825317547305486
\nequilateralTriangle.perimeter(); \/\/ Output: Calculates Perimeter<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f Overriding \u0631\u0648\u0634<\/p>\n
\u0627\u06af\u0631 \u0647\u0645\u0627\u0646 \u0645\u062a\u062f \u0647\u0645 \u062f\u0631 \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0648 \u0647\u0645 \u062f\u0631 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u062a\u062f \u06a9\u0644\u0627\u0633 \u0641\u0631\u0639\u06cc \u0628\u0631 \u0645\u062a\u062f \u0633\u0648\u067e\u0631\u06a9\u0644\u0627\u0633 \u0644\u063a\u0648 \u0645\u06cc \u0634\u0648\u062f. <\/p>\n
class human {
\n constructor(name , age , body_type) {
\n this.name = name
\n this.age = age
\n this.body_type = body_type
\n }<\/p>\n
getName() {
\n console.log(“The name of the human is : “, this.name)
\n }<\/p>\n
getAge() {<\/p>\n
console.log(“The age of the human is :”, this.age)
\n }<\/p>\n
getBodyType() {
\n console.log(“The body type of the human is :”, this.body_type)
\n }
\n}<\/p>\n
class student extends human {}<\/p>\n
const student_1 = new student(“Subham” , 24 , “Thin”)<\/p>\n
student_1.getAge() \/\/The age of the human is : 24<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u06a9\u0644\u06cc\u062f \u0648\u0627\u0698\u0647 \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 – \u0627\u0646\u0648\u0627\u0639<\/p>\n
\u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc super \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u0648 \u0645\u062a\u062f\u0647\u0627\u06cc \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0646 \u0633\u0627\u0632\u0646\u062f\u0647<\/p>\n
class Human {
\n constructor(name, age, bodyType) {
\n this.name = name;
\n this.age = age;
\n this.bodyType = bodyType;
\n }<\/p>\n
getName() {
\n console.log(“The name of the human is:”, this.name);
\n }<\/p>\n
getAge() {
\n console.log(“The age of the human is:”, this.age);
\n }<\/p>\n
getBodyType() {
\n console.log(“The body type of the human is:”, this.bodyType);
\n }
\n}<\/p>\n
class Student extends Human {
\n constructor() {
\n super(“Rahul”, 80, “Fat”);
\n }
\n}<\/p>\n
const student1 = new Student();<\/p>\n
student1.getName(); \/\/ The name of the human is: Rahul<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0646 \u06cc\u06a9 \u0631\u0648\u0634<\/p>\n
class Human {
\n constructor(name, age, bodyType) {
\n this.name = name;
\n this.age = age;
\n this.bodyType = bodyType;
\n }<\/p>\n
getName() {
\n console.log(“The name of the human is:”, this.name);
\n }<\/p>\n
getAge() {
\n console.log(“The age of the human is:”, this.age);
\n }<\/p>\n
getBodyType() {
\n console.log(“The body type of the human is:”, this.bodyType);
\n }
\n}<\/p>\n
class Student extends Human {
\n constructor() {
\n super(“Rahul”, 80, “Fat”);
\n }<\/p>\n
\/\/ Overriding using super keyword in child class
\n getAge() {
\n super.getAge();
\n console.log(“The age of the student is:”, 20);
\n }
\n}<\/p>\n
const student1 = new Student();<\/p>\n
student1.getAge(); \/\/ The age of the human is: 80
\n \/\/ The age of the student is: 20<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc \u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0646 \u0631\u0648\u0634<\/p>\n
\u0646\u0627\u0645 \u0631\u0648\u0634 \u0645\u0634\u0627\u0628\u0647: \u0645\u062a\u062f \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0641\u0631\u0632\u0646\u062f \u0628\u0627\u06cc\u062f \u0647\u0645\u0627\u0646 \u0646\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.
\n\u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647: \u0645\u062a\u062f \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0641\u0631\u0632\u0646\u062f \u0628\u0627\u06cc\u062f \u062f\u0627\u0631\u0627\u06cc \u0644\u06cc\u0633\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647 \u0628\u0627 \u0645\u062a\u062f \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f \u0628\u0627\u0634\u062f.
\nIS-A \u0631\u0627\u0628\u0637\u0647: overriding \u0645\u062a\u062f \u0641\u0642\u0637 \u062f\u0631 \u062f\u0648 \u06a9\u0644\u0627\u0633 \u06a9\u0647 \u0631\u0627\u0628\u0637\u0647 IS-A \u062f\u0627\u0631\u0646\u062f (\u0627\u0631\u062b) \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f.
\n\u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627: \u0631\u0648\u0634 overriding \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u062d\u062f\u0648\u062f\u062a\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u0645\u0627 \u0646\u0647 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u0646\u062f\u0647 \u062a\u0631.
\n\u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647: \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 super \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u062a\u062f overrid \u0634\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f.<\/p>\n
\u2b50 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc<\/p>\n
\u062a\u0628\u0635\u0631\u0647 1<\/p>\n
class human {
\n constructor() {
\n console.log(“Human class constructor”)
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n}
\nconst student_1 = new student()
\nstudent_1.eat()<\/p>\n
\/\/Human class constructor
\n\/\/ Human can eat<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u06af\u0631 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u0646\u06a9\u0646\u06cc\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u06cc\u06a9 \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 super() \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f.\u0645\u062b\u0644 \u0627\u06cc\u0646<\/p>\n
class human {
\n constructor() {
\n console.log(“Human class constructor”)
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n constructor(…arg) {
\n super(…arg);
\n }
\n}
\nconst student_1 = new student()
\nstudent_1.eat()<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062a\u0628\u0635\u0631\u0647 2<\/p>\n
class human {
\n constructor() {
\n console.log(“Human class constructor”)
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n constructor() {
\n console.log(“This is student class constructor”)
\n }
\n}
\nconst student_1 = new student()
\nstudent_1.eat()<\/p>\n
\/\/ console.log(“This is student class constructor”)
\n\/\/ReferenceError: Must call super constructor in derived class before accessing ‘this’ or returning from derived constructor<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0632 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n
class human {
\n constructor() {
\n console.log(“Human class constructor”)
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n constructor() {
\n super()
\n console.log(“This is student class constructor”)
\n }
\n}
\nconst student_1 = new student()
\nstudent_1.eat()<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062a\u0628\u0635\u0631\u0647 3<\/p>\n
class human {
\n constructor(name) {
\n console.log(“Human class constructor” , name)
\n this.name = name
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n constructor(name) {
\n this.name = name \/\/not allow
\n super()
\n console.log(“Student class constructor” , name)<\/p>\n
}
\n}
\nconst student_1 = new student(“subham”)
\nstudent_1.eat()<\/p>\n
\/\/ this.name = name
\n\/\/ ReferenceError: Must call super constructor in derived class before accessing ‘this’ or returning from derived constructor<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0628\u0639\u062f \u0627\u0632 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n
class human {
\n constructor(name) {
\n console.log(“Human class constructor” , name)
\n this.name = name
\n }
\n eat() {
\n console.log(“Human can eat”)
\n }
\n}
\nclass student extends human {
\n constructor(name) {
\n super()
\n this.name = name
\n console.log(“Student class constructor” , name)<\/p>\n
}
\n}
\nconst student_1 = new student(“subham”)
\nstudent_1.eat()<\/p>\n
\/\/ Human class constructor undefined
\n\/\/ Student class constructor subham
\n\/\/ Human can eat<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f \u0631\u0648\u0634 \u0627\u0636\u0627\u0641\u0647 \u0628\u0627\u0631<\/p>\n
\u062f\u0627\u0634\u062a\u0646 \u062f\u0648 \u06cc\u0627 \u0686\u0646\u062f \u0645\u062a\u062f (\u06cc\u0627 \u062a\u0627\u0628\u0639) \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0628\u0627 \u0647\u0645\u0627\u0646 \u0646\u0627\u0645 \u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627 (\u06cc\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc) \u0645\u062a\u0641\u0627\u0648\u062a<\/p>\n
\u2b50 \u0622\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u06cc\u0645\u061f<\/p>\n
\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u062a\u062f\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 (\u0645\u0627\u0646\u0646\u062f \u062c\u0627\u0648\u0627) \u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u0648\u0645\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u062f \u0631\u0627 \u0628\u0627 \u0646\u0627\u0645 \u06cc\u06a9\u0633\u0627\u0646 \u0627\u0645\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0628\u0631\u0631\u0633\u06cc \u062a\u0639\u062f\u0627\u062f \u0648 \u0646\u0648\u0639 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u062a\u062f \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0645\u0634\u0627\u0628\u0647 \u062f\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n
\u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 JS \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f<\/p>\n
class Calculator {
\n add(a, b) {
\n return a + b;
\n }<\/p>\n
add(a, b, c) {
\n return a + b + c;
\n }
\n}<\/p>\n
const calc = new Calculator();
\nconsole.log(calc.add(1, 2)); \/\/ This will throw an error because the first add method is overwritten<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0647 \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0631\u0633\u06cc\u062f<\/p>\n
class Calculator {
\n add(…args) {
\n if (args.length === 2) {
\n return args[0] + args[1];
\n } else if (args.length === 3) {
\n return args[0] + args[1] + args[2];
\n } else {
\n throw new Error(“Invalid number of arguments”);
\n }
\n }
\n}<\/p>\n
const calc = new Calculator();<\/p>\n
console.log(calc.add(1, 2)); \/\/ Output: 3
\nconsole.log(calc.add(1, 2, 3)); \/\/ Output: 6<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f \u0628\u0647 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f<\/p>\n
Access Modifier \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062f\u0633\u062a\u0631\u0633\u06cc \u06cc\u06a9 \u0639\u0636\u0648 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f <\/p>\n
\u2b50 \u0627\u0646\u0648\u0627\u0639 \u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc<\/p>\n
\u0639\u0645\u0648\u0645\u06cc: \u0627\u0639\u0636\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0639\u0645\u0648\u0645\u06cc \u0627\u0632 \u0647\u0631 \u06a9\u0644\u0627\u0633 \u062f\u06cc\u06af\u0631\u06cc \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n
\u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 \u0627\u0633\u062a: \u0627\u0639\u0636\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 \u062f\u0631 \u0647\u0645\u0627\u0646 \u06a9\u0644\u0627\u0633 \u0648 \u062a\u0648\u0633\u0637 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n
\u062e\u0635\u0648\u0635\u06cc: \u0627\u0639\u0636\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062e\u0635\u0648\u0635\u06cc \u0641\u0642\u0637 \u062f\u0631 \u0647\u0645\u0627\u0646 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n
\u2b50 \u062c\u062f\u0648\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc<\/p>\n
\u0627\u0635\u0644\u0627\u062d \u06a9\u0646\u0646\u062f\u0647
\n\u06a9\u0644\u0627\u0633 \u0648\u0627\u0644\u062f\u06cc\u0646
\n\u06a9\u0644\u0627\u0633 \u06a9\u0648\u062f\u06a9
\n\u062e\u0627\u0631\u062c \u0627\u0632 \u06a9\u0644\u0627\u0633<\/p>\n
\u0639\u0645\u0648\u0645\u06cc
\n\u2714\ufe0f
\n\u2714\ufe0f
\n\u2714\ufe0f<\/p>\n
\u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 \u0627\u0633\u062a
\n\u2714\ufe0f
\n\u2714\ufe0f
\n\u274c<\/p>\n
\u062e\u0635\u0648\u0635\u06cc
\n\u2714\ufe0f
\n\u274c
\n\u274c<\/p>\n
\u2b50 \u0645\u062b\u0627\u0644<\/p>\n
1. \u0627\u0639\u0636\u0627\u06cc \u0639\u0645\u0648\u0645\u06cc<\/p>\n
\u0627\u0639\u0636\u0627\u06cc \u0639\u0645\u0648\u0645\u06cc \u0627\u0632 \u0647\u0631 \u06a9\u062c\u0627 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n
class Parent {
\n publicProperty = “I’m public”;<\/p>\n
publicMethod() {
\n return “This is a public method”;
\n }
\n}<\/p>\n
class Child extends Parent {
\n useParentPublic() {
\n console.log(this.publicProperty);
\n console.log(this.publicMethod());
\n }
\n}<\/p>\n
const parent = new Parent();
\nconst child = new Child();<\/p>\n
console.log(parent.publicProperty); \/\/ Output: I’m public
\nconsole.log(parent.publicMethod()); \/\/ Output: This is a public method
\nchild.useParentPublic();
\n\/\/ Output:
\n\/\/ I’m public
\n\/\/ This is a public method<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c publicProperty \u0648 publicMethod \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f \u0627\u0632:<\/p>\n
\u062f\u0631 \u06a9\u0644\u0627\u0633 \u067e\u062f\u0631 \u0648 \u0645\u0627\u062f\u0631
\n\u062f\u0631 \u06a9\u0644\u0627\u0633 \u06a9\u0648\u062f\u06a9
\n\u062e\u0627\u0631\u062c \u0627\u0632 \u0647\u0631 \u06a9\u0644\u0627\u0633\u06cc<\/p>\n
2. \u0627\u0639\u0636\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 (\u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647)<\/p>\n
\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0645\u0627 \u0627\u0632 \u06cc\u06a9 \u067e\u06cc\u0634\u0648\u0646\u062f \u0632\u06cc\u0631 \u062e\u0637 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0639\u0636\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0622\u0646\u0647\u0627 \u0647\u0646\u0648\u0632 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0639\u0645\u0648\u0645\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u0648\u0627\u0641\u0642\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u062e\u0627\u0631\u062c \u0627\u0632 \u06a9\u0644\u0627\u0633 \u06cc\u0627 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0622\u0646 \u0628\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/p>\n
class Parent {
\n _protectedProperty = “I’m protected”;<\/p>\n
_protectedMethod() {
\n return “This is a protected method”;
\n }
\n}<\/p>\n
class Child extends Parent {
\n useParentProtected() {
\n console.log(this._protectedProperty);
\n console.log(this._protectedMethod());
\n }
\n}<\/p>\n
const parent = new Parent();
\nconst child = new Child();<\/p>\n
child.useParentProtected();
\n\/\/ Output:
\n\/\/ I’m protected
\n\/\/ This is a protected method<\/p>\n
\/\/ These work, but violate the convention:
\nconsole.log(parent._protectedProperty);
\nconsole.log(parent._protectedMethod());<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648:<\/p>\n
_protectedProperty \u0648 _protectedMethod \u062f\u0631 Parent \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f
\n\u0622\u0646\u0647\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0641\u0631\u0632\u0646\u062f (\u0627\u0631\u062b) \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0647\u0633\u062a\u0646\u062f
\n\u0622\u0646\u0647\u0627 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u062f\u0631 \u062e\u0627\u0631\u062c \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0642\u0631\u0627\u0631\u062f\u0627\u062f \u0631\u0627 \u0646\u0642\u0636 \u0645\u06cc \u06a9\u0646\u062f<\/p>\n
3. \u0627\u0639\u0636\u0627\u06cc \u062e\u0635\u0648\u0635\u06cc<\/p>\n
\u0627\u0639\u0636\u0627\u06cc \u062e\u0635\u0648\u0635\u06cc \u0648\u0627\u0642\u0639\u0627 \u062e\u0635\u0648\u0635\u06cc \u0647\u0633\u062a\u0646\u062f \u0648 \u0641\u0642\u0637 \u062f\u0631 \u06a9\u0644\u0627\u0633\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0646\u062f \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n
class Parent {
\n #privateProperty = “I’m private”;<\/p>\n
#privateMethod() {
\n return “This is a private method”;
\n }<\/p>\n
usePrivate() {
\n console.log(this.#privateProperty);
\n console.log(this.#privateMethod());
\n }
\n}<\/p>\n
class Child extends Parent {
\n tryToUseParentPrivate() {
\n \/\/ These would cause errors if uncommented:
\n \/\/ console.log(this.#privateProperty);
\n \/\/ console.log(this.#privateMethod());
\n }
\n}<\/p>\n
const parent = new Parent();
\nconst child = new Child();<\/p>\n
parent.usePrivate();
\n\/\/ Output:
\n\/\/ I’m private
\n\/\/ This is a private method<\/p>\n
\/\/ These would cause errors:
\n\/\/ console.log(parent.#privateProperty);
\n\/\/ console.log(parent.#privateMethod());
\n\/\/ child.tryToUseParentPrivate();<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f:<\/p>\n
#privateProperty \u0648 #privateMethod \u0641\u0642\u0637 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0648\u0627\u0644\u062f\u06cc\u0646 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f
\n\u0622\u0646\u0647\u0627 \u062f\u0631 Child \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0646\u06cc\u0633\u062a\u0646\u062f\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0648\u0627\u0644\u062f \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u062f\u0647\u062f
\n\u0627\u0635\u0644\u0627\u064b \u062e\u0627\u0631\u062c \u0627\u0632 \u06a9\u0644\u0627\u0633 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0646\u06cc\u0633\u062a\u0646\u062f<\/p>\n
\u062e\u0648\u0631\u0627\u06a9\u06cc \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc<\/p>\n
\u0627\u0639\u0636\u0627\u06cc \u0639\u0645\u0648\u0645\u06cc (\u067e\u06cc\u0634\u200c\u0641\u0631\u0636) \u062f\u0631 \u0647\u0645\u0647 \u062c\u0627 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f.
\n\u0627\u0639\u0636\u0627\u06cc \u062d\u0641\u0627\u0638\u062a \u0634\u062f\u0647 (\u06a9\u0646\u0648\u0627\u0646\u0633\u06cc\u0648\u0646 \u0628\u0627 _) \u062f\u0631 \u062f\u0627\u062e\u0644 \u06a9\u0644\u0627\u0633 \u0648 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u0627 \u0646\u0628\u0627\u06cc\u062f \u062f\u0631 \u062e\u0627\u0631\u062c \u0628\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a (\u0627\u06af\u0631\u0686\u0647 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a).
\n\u0627\u0639\u0636\u0627\u06cc \u062e\u0635\u0648\u0635\u06cc (\u0628\u0627 #) \u0641\u0642\u0637 \u062f\u0631 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u0646\u062f\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0646\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u06cc\u0627 \u062e\u0627\u0631\u062c.
\n\u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0639\u0636\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647\u060c \u0627\u0632 \u0646\u0638\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0639\u0636\u0627\u06cc \u0639\u0645\u0648\u0645\u06cc \u0631\u0641\u062a\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0627\u0645\u0627 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0645\u0648\u0627\u0641\u0642\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0622\u0646\u0647\u0627 \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u0631\u0641\u062a\u0627\u0631 \u06a9\u0646\u0646\u062f \u06a9\u0647 \u06af\u0648\u06cc\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0634\u062f\u0647 \u0627\u0646\u062f.
\n\u062d\u0631\u06cc\u0645 \u062e\u0635\u0648\u0635\u06cc \u0648 \u06a9\u067e\u0633\u0648\u0644\u0647 \u0633\u0627\u0632\u06cc \u0648\u0627\u0642\u0639\u06cc \u062a\u0646\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0639\u0636\u0627\u06cc \u062e\u0635\u0648\u0635\u06cc \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f # \u0646\u062d\u0648<\/p>\n
\u25b6\ufe0f \u0627\u06cc\u0633\u062a\u0627<\/p>\n
\u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc static \u06cc\u06a9 \u0645\u062a\u062f \u06cc\u0627 \u0641\u06cc\u0644\u062f \u062b\u0627\u0628\u062a \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f<\/p>\n
\u0645\u062a\u062f \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0645\u062a\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062e\u0648\u062f \u06a9\u0644\u0627\u0633 \u062a\u0639\u0644\u0642 \u062f\u0627\u0631\u062f\u060c \u0646\u0647 \u0628\u0647 \u0646\u0645\u0648\u0646\u0647 \u062e\u0627\u0635\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633.<\/p>\n
class Animal {
\n constructor(name) {
\n this.name = Animal.capitalize(name);
\n }<\/p>\n
static capitalize(name) {
\n return name.charAt(0).toUpperCase() + name.slice(1);
\n }<\/p>\n
walk() {
\n console.log(`Animal ${this.name} is walking`);
\n }
\n}<\/p>\n
const animal = new Animal(“lion”);
\nanimal.walk(); \/\/ Output: Animal Lion is walking<\/p>\n
console.log(Animal.capitalize(“elephant”)); \/\/ Output: Elephant<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0646\u06a9\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc:<\/p>\n
\u0627\u06cc\u0646 capitalize \u0631\u0648\u0634 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0627\u0639\u0644\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f static \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc
\n\u062f\u0631 \u06a9\u0644\u0627\u0633 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f (Animal.capitalize) \u0646\u0647 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f.
\n\u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0633\u0627\u0632\u0646\u062f\u0647 \u06cc\u0627 \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634 \u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n
\u2b50 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0648\u0631\u0627\u062b\u062a \u0648 \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9<\/p>\n
\u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u062a\u0648\u0633\u0637 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0631\u0633\u0646\u062f:<\/p>\n
class Human extends Animal {
\n static greet() {
\n console.log(“Hello!”);
\n }
\n}<\/p>\n
const human = new Human(“john”);
\nhuman.walk(); \/\/ Output: Animal John is walking<\/p>\n
console.log(Human.capitalize(“sarah”)); \/\/ Output: Sarah
\nHuman.greet(); \/\/ Output: Hello!<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u062a\u0648\u062c\u0647:<\/p>\n
\u0627\u06cc\u0646 Human \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0631\u0627 \u0628\u0647 \u0627\u0631\u062b \u0645\u06cc \u0628\u0631\u062f capitalize \u0631\u0648\u0634 \u0627\u0632 Animal.<\/p>\n
Human \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u062e\u0648\u062f \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f greet.<\/p>\n
\u2b50 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9<\/p>\n
\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0631\u0627 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc \u063a\u06cc\u0631\u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0646\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n
class Calculator {
\n static add(a, b) {
\n return a + b;
\n }<\/p>\n
multiply(a, b) {
\n \/\/ Using a static method in a non-static method
\n return Calculator.add(a, 0) * b;
\n }
\n}<\/p>\n
const calc = new Calculator();
\nconsole.log(calc.multiply(3, 4)); \/\/ Output: 12
\nconsole.log(Calculator.add(5, 6)); \/\/ Output: 11<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u062a\u0641\u0627\u0648\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n
class MyClass {
\n static staticMethod() {
\n return “I’m a static method”;
\n }<\/p>\n
instanceMethod() {
\n return “I’m an instance method”;
\n }
\n}<\/p>\n
console.log(MyClass.staticMethod()); \/\/ Output: I’m a static method<\/p>\n
const obj = new MyClass();
\nconsole.log(obj.instanceMethod()); \/\/ Output: I’m an instance method<\/p>\n
\/\/ This would throw an error:
\n\/\/ console.log(MyClass.instanceMethod());<\/p>\n
\/\/ This would also throw an error:
\n\/\/ console.log(obj.staticMethod());<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0631\u0648\u0634 \u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9<\/p>\n
\u062a\u0648\u0627\u0628\u0639 \u0633\u0648\u062f\u0645\u0646\u062f: \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 \u062d\u0627\u0644\u062a \u0634\u06cc \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u0646\u062f.<\/p>\n
\u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u06cc: \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062e\u0627\u0635.<\/p>\n
Cache \u06cc\u0627 Fixed-Configuration: \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06a9 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u0645\u0648\u0627\u0631\u062f.<\/p>\n
\u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0631\u0648\u0634 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0627\u06cc:<\/p>\n
class User {
\n constructor(name, role) {
\n this.name = name;
\n this.role = role;
\n }<\/p>\n
static createAdmin(name) {
\n return new User(name, “admin”);
\n }
\n}<\/p>\n
const admin = User.createAdmin(“Alice”);
\nconsole.log(admin.role); \/\/ Output: admin<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u2b50 \u062e\u0648\u0631\u0627\u06a9\u06cc \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc<\/p>\n
\u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0628\u0631 \u0631\u0648\u06cc \u06a9\u0644\u0627\u0633 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0646\u0647 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627.
\n\u0622\u0646\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0627\u0645 \u06a9\u0644\u0627\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f: ClassName.methodName().
\n\u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062a\u0648\u0633\u0637 \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0647\u0627 \u0628\u0647 \u0627\u0631\u062b \u0628\u0631\u062f.
\n\u0622\u0646\u0647\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u06cc\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.
\n\u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0627\u0628\u0639 \u0627\u0628\u0632\u0627\u0631\u060c \u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u060c \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u0637\u062d \u06a9\u0644\u0627\u0633 \u0645\u0641\u06cc\u062f \u0647\u0633\u062a\u0646\u062f.
\n\u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0631\u0627 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u062a\u062f\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0631\u0627 \u062f\u0631 \u06a9\u0644\u0627\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n
\u25b6\ufe0f \u06af\u06cc\u0631\u0646\u062f\u0647 \u0648 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u0646\u062f\u0647<\/p>\n
\u06af\u06cc\u0631\u0646\u062f\u0647 \u0647\u0627 \u0648 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u062a\u0648\u0627\u0628\u0639\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0634\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0648 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f<\/p>\n
\/\/getter setter
\nclass human {
\n constructor(name, age) {
\n this._name = name;
\n }
\n get getName() {
\n return this._name;
\n }
\n set setName(name) {
\n this._name = name;
\n }
\n}<\/p>\n
const person = new human(“”, 0);
\nperson.setName = “Raj”;
\nperson.setAge = 25;<\/p>\n
console.log(person.getName);
\nconsole.log(person.getAge);<\/p>\n
\/\/Raj
\n\/\/25<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f instanceOf Operator<\/p>\n
\u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0634\u06cc \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u0633\u060c \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u06cc\u0627 \u0631\u0627\u0628\u0637 \u0627\u0633\u062a<\/p>\n
\/\/getter setter
\nclass human {
\n constructor(name, age) {
\n this.name = name;
\n this.age = age;
\n }
\n get getName() {
\n return this.name;
\n }
\n set setName(name) {
\n this.name = name;
\n }
\n get getAge() {
\n return this.age;
\n }
\n set setAge(age) {
\n this.age = age;
\n }
\n}<\/p>\n
const person = new human(“”, 0);
\nperson.setName = “Raj”;
\nperson.setAge = 25;<\/p>\n
console.log(person.getName);
\nconsole.log(person.getAge);<\/p>\n
const person1 = “Subham”<\/p>\n
console.log( person instanceof human)\/\/true
\nconsole.log( person1 instanceof human)\/\/false<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0647\u0645\u0686\u0646\u06cc\u0646 true \u0631\u0627 \u0628\u0631\u0627\u06cc \u0632\u06cc\u0631 \u06a9\u0644\u0627\u0633 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f<\/p>\n
\/\/getter setter
\nclass human {
\n constructor(name, age) {
\n this.name = name;
\n this.age = age;
\n }
\n get getName() {
\n return this.name;
\n }
\n set setName(name) {
\n this.name = name;
\n }
\n get getAge() {
\n return this.age;
\n }
\n set setAge(age) {
\n this.age = age;
\n }
\n}<\/p>\n
class Coder extends human {
\n constructor(name, age, language) {
\n super(name, age);
\n this.language = language;
\n }
\n}<\/p>\n
const person = new human(“”, 0);
\nconst subham = new Coder(“subham”, 22, “java”);
\nperson.setName = “Raj”;
\nperson.setAge = 25;<\/p>\n
console.log( person instanceof human)
\nconsole.log( subham instanceof human)<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u0628\u0627\u0628\u062a \u0633\u0648\u0621 \u062a\u0641\u0627\u0647\u0645 \u067e\u06cc\u0634 \u0622\u0645\u062f\u0647 \u067e\u0648\u0632\u0634 \u0645\u06cc \u0637\u0644\u0628\u0645. \u062d\u0642 \u0628\u0627 \u0634\u0645\u0627\u0633\u062a\u060c \u0645\u0646 \u0628\u0627\u06cc\u062f \u0645\u062e\u062a\u0635\u0631\u062a\u0631 \u0645\u06cc \u06af\u0641\u062a\u0645. \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u062a\u0648\u0636\u06cc\u062d \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u0648 \u0645\u062a\u0645\u0631\u06a9\u0632\u062a\u0631\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 \u06a9\u067e\u0633\u0648\u0644\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0631\u0627\u0626\u0647 \u06a9\u0646\u0645\u060c \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0627\u0644\u06af\u0648\u06cc\u06cc \u06a9\u0647 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u062f:<\/p>\n
\u25b6\ufe0f \u06a9\u067e\u0633\u0648\u0644\u0627\u0633\u06cc\u0648\u0646<\/p>\n
\u06a9\u067e\u0633\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0631\u0627\u0647\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u062c\u0632\u0627\u06cc \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a<\/p>\n
class BankAccount {
\n #balance; \/\/ Private field<\/p>\n
constructor(initialBalance) {
\n this.#balance = initialBalance;
\n }<\/p>\n
deposit(amount) {
\n if (amount > 0) {
\n this.#balance += amount;
\n }
\n }<\/p>\n
getBalance() {
\n return this.#balance;
\n }
\n}<\/p>\n
const account = new BankAccount(1000);
\naccount.deposit(500);
\nconsole.log(account.getBalance()); \/\/ 1500
\n\/\/ console.log(account.#balance); \/\/ Syntax error: private field<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\/\/Encapsulation
\nconst user = {
\n firstName: “John”,
\n lastName: “Doe”,
\n age: 25,
\n getAgeYear: function() {
\n return new Date().getFullYear() – this.age;
\n }
\n}
\nconsole.log(user.getAgeYear());<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f \u0686\u0646\u062f \u0634\u06a9\u0644\u06cc<\/p>\n
Polymorphism \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc “\u0634\u06a9\u0644 \u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f” \u0627\u0633\u062a \u0648 \u0632\u0645\u0627\u0646\u06cc \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u06a9\u0647 \u0645\u0627 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u0631\u062b \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0645\u0631\u062a\u0628\u0637 \u0647\u0633\u062a\u0646\u062f.<\/p>\n
\/\/ Parent class
\nclass Animal {
\n makeSound() {
\n console.log(“The animal makes a sound”);
\n }
\n}<\/p>\n
\/\/ Child classes
\nclass Dog extends Animal {
\n makeSound() {
\n console.log(“The dog barks”);
\n }
\n}<\/p>\n
class Cat extends Animal {
\n makeSound() {
\n console.log(“The cat meows”);
\n }
\n}<\/p>\n
\/\/ Function to demonstrate polymorphism
\nfunction animalSound(animal) {
\n animal.makeSound();
\n}<\/p>\n
\/\/ Usage
\nconst animal = new Animal();
\nconst dog = new Dog();
\nconst cat = new Cat();<\/p>\n
animalSound(animal); \/\/ Output: The animal makes a sound
\nanimalSound(dog); \/\/ Output: The dog barks
\nanimalSound(cat); \/\/ Output: The cat meows<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n
\u25b6\ufe0f \u0627\u0646\u062a\u0632\u0627\u0639<\/p>\n
\u0627\u0646\u062a\u0632\u0627\u0639 \u0645\u0641\u0647\u0648\u0645 \u067e\u0646\u0647\u0627\u0646 \u06a9\u0631\u062f\u0646 \u062c\u0632\u0626\u06cc\u0627\u062a \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0648 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u062a\u0646\u0647\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0636\u0631\u0648\u0631\u06cc \u06cc\u06a9 \u0634\u06cc \u0627\u0633\u062a.<\/p>\n
\/\/ Abstraction: Hiding complex implementation details and showing only the necessary features of an object.<\/p>\n
\/\/ Abstract class
\nclass Vehicle {
\n constructor(brand) {
\n this.brand = brand;
\n }<\/p>\n
\/\/ Abstract method
\n start() {
\n throw new Error(“Method ‘start()’ must be implemented.”);
\n }<\/p>\n
getBrand() {
\n return this.brand;
\n }
\n}<\/p>\n
\/\/ Concrete class
\nclass Car extends Vehicle {
\n start() {
\n return `${this.brand} car is starting…`;
\n }
\n}<\/p>\n
\/\/ Usage
\nconst myCar = new Car(“Toyota”);
\nconsole.log(myCar.getBrand()); \/\/ Output: Toyota
\nconsole.log(myCar.start()); \/\/ Output: Toyota car is starting…<\/p>\n
\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n
\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n