ОБЪЕДИНИТЕ ДВА ОБЪЕКТА :⬇️

let object1 ={
 firstName :”bk”,
 lastName : “bharathikannan”
}
let object22 = {
 age :18,

}
let add = Object.assign(object1, object2);
console.log(add);
OUTPUT:
{firstName: 'bk', lastName: 'bharathikannan', age: 18}

оператор расширения/остатка:⬇️

let object1 ={
    firstName :"bk",
    lastName : "bharathikannan"
}
let object2 = {
    age :18,
    country : "india"
}
let mergeTwoObject = {
    ...object1,
    ...object2
}
console.log(mergeTwoObject)
OUTPUT:
{firstName: 'bk', lastName: 'bharathikannan', age: 18, country: 'india'}

Object.assign()⬇️

let object1 ={
    firstName :"bk",
    lastName : "bharathikannan",
    pgm_language : "java"
}
let object2 = {
    age :18,
    country : "india",
     pgm_language : "javascript"
}
let assign = Object.assign(object1,object2)
console.log(assign)
OUTPUT:
{firstName: 'bk', lastName: 'bharathikannan', pgm_language: 'javascript', age: 18, country: 'india'}

Object.freeze()⬇️

const obj = {
firstName:”bk”,
lastName : “bharathikannan”
}
Object.freeze(obj);
obj.lastName = “pikachu”;
// Throws an error in strict mode
console.log(obj.lastName);
OUTPUT:
 javascript
 bharathikannan

Object.entries()⬇️

const object ={
    firstName :"bk",
    lastName : "bharathikannan",
    pgm_language : "javascript"
}
Object.entries(object)
OUTPUT:
  [Array(2), Array(2), Array(2)]
0: (2) ['firstName', 'bk']
1: (2) ['lastName', 'bharathikannan']
2: (2) ['pgm_language', 'javascript']
length: 3

Объект.создать()⬇️

const person = {
  country: "india",
  name: "pikachu",
  creatNewObj : function (){
 console.log(`My name is  : ${this.name} I'm from ${this.country}`)
  }
  }
const  new_obj = Object.create(person);
new_obj.name="bharathikannan";
new_obj.creatNewObj();
OUTPUT:
My name is  : bharathikannan I'm from india

Объект.is( )⬇️

 Evaluation result is the same as using ===
Object.is($5, $5); // object:1 Uncaught ReferenceError: $5 is not defined
Object.is(5, 5);//true
Object.is("hii", "hii"); // true
Object.is("hai", "hello"); // false
Object.is(null, null); // true
Object.is(undefined, undefined); // true
Object.is(window.Object, window.Object); // true
Object.is(["hello"], ["hello"]); // false
Object.is([], []); // false
 const object1 = { name: "bk" };
 const object2 = {  name: "bk" };
 const object = object1;
Object.is(object1, object1); // true
Object.is(object1, object2); // false
Object.is(object1, object); // true
Signed zero
Object.is(100, -100); // false
Object.is(100, 100); // true
Object.is(+0, -0); // false
Object.is(-0, -0); // true
 NaN
Object.is(NaN, 0 / 0); // true
Object.is(NaN, Number.NaN); // true

Объект.печать()⬇️

const object1 = {
 property1: 100
};
Object.seal(object1);
object1.property1 = 50;
console.log(object1.property1);
// expected output: 33
delete object1.property1; // cannot delete when sealed
console.log(object1.property1);
// expected output: 33

Object.values()⬇️

const person = {
firstName : "pikachu",
 lastName: "bk",
age:18
};
console.log(Object.values(person));
OUTPUT:

(3) ['pikachu', 'bk', 18]

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