(1)
The behaviour of the instances present of a class inside a method is defined by __________
Answer: Classes
Answer: Classes
Answer: this
var o = new F();o.constructor === F
Answer: true
Answer: Functions are values, and there is no hard distinction between methods and fields
Answer: objects inherit prototype properties even in a dynamic state
Answer: it is invoked automatically by the JSON.stringify() method
Answer: A is the superclass and B is the subclass
Answer: B.prototype=inherit(A);
Answer: var t=new FilteredSet(s, {function(s) {return !(x instanceof Set);});
Answer: Both Object.defineProperty() and Object.defineProperties()
const obj1 =
{
a: 10,
b: 15,
c: 18
};
const obj2 = Object.assign({c: 7, d: 1}, obj1);
console.log(obj2.c, obj2.d);
Answer: 7,1
function person()
{
this.name = 'rahul';
}
function obj()
{
obj.call(this)
}
obj.prototype = Object.create(person.prototype);
const app = new obj();
console.log(app.name);
Answer: rahul
const object1 = {};
Object.defineProperties(object1,
{
property1:
{
value: 10
}
});
console.log(object1.property1);
Answer: 10
const prototype1 = {};
const object1 = Object.create(prototype1);
console.log(Object.getPrototypeOf(object1) === prototype1);
Answer: true
const obj1 = {
property1: 2
};
Object.seal(object1);
obj1.property1 =4;
console.log(obj1.property1);
delete obj1.property1;
Answer: Error