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OBJECTS.text
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(function () {
var person = {
name: 'john',
};
person.salary = '10000$';
person['country'] = 'USA';
Object.defineProperty(person, 'phoneNo', {
value: '8888888888888',
enumerable: true,
});
console.log(Object.keys(person));
})();
////////////////////////////////
(function () {
var person = {
name: 'john',
};
person.salary = '10000$';
person['country'] = 'USA';
Object.defineProperty(person, 'phoneNo', {
value: '8888888888888',
enumerable: false,
});
console.log(Object.keys(person));
})();
////////////////////////////////////////
(function () {
var objA = {
foo: 'foo',
bar: 'bar',
};
var objB = {
foo: 'foo',
bar: 'bar',
};
console.log(objA === objB);
console.log(objA == objB);
})();
/////////////////////////////////////////////
(function () {
var objA = new Object({ foo: 'foo' });
var objB = new Object({ foo: 'foo' });
console.log(objA === objB);
console.log(objA == objB);
})();
///////////////////////////////////////////////
(function () {
var objA = Object.create({ foo: 'foo' });
var objB = Object.create({ foo: 'foo' });
console.log(objA === objB);
console.log(objA == objB);
})();
//////////////////////////////////////////
(function () {
var objA = Object.create({ foo: 'foo' });
var objB = Object.create({ foo: 'foo' });
console.log(objA.toString() === objB.toString());
console.log(objA.toString() == objB.toString());
})();
////////////////////////////////////////////////
(function () {
var objA = Object.create({ foo: 'foo' });
var objB = objA;
console.log(objA == objB);
console.log(objA === objB);
console.log(objA.toString() === objB.toString());
console.log(objA.toString() == objB.toString());
})();
////////////////////////////////////////////
(function () {
var objA = Object.create({ foo: 'foo' });
var objB = objA;
objB.foo = 'bar';
console.log(objA.foo);
console.log(objB.foo);
})();
/////////////////////////////////
(function () {
var objA = Object.create({ foo: 'foo' });
var objB = objA;
objB.foo = 'bar';
delete objA.foo;
console.log(objA.foo);
console.log(objB.foo);
})();
/////////////////////////////////////////
(function () {
var objA = { foo: 'foo' };
var objB = objA;
objB.foo = 'bar';
delete objA.foo;
console.log(objA.foo);
console.log(objB.foo);
})();
///////////////////////////////////////