ways of defining object js
1) Object Literal
const obj = {
name: "Ram",
age: "20"
}
2) Constructor Function or ES6- Class
const a = new Person("Ram", "25") //given Person is an existing function or class
3) Object.create method
const ram = Object.create(Person); //given person is an existing objectjs object
'use strict';
var obj = {
a: 10
b:20
};
Object.defineProperty(obj, 'b', {
get: () => {
console.log(this.a, typeof this.a, this); // undefined 'undefined' Window {...} (or the global object)
return this.a + 10; // represents global object 'Window', therefore 'this.a' returns 'undefined'
}
});Copyright © 2021 Codeinu
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