JAVASCRIPT

copy object javascript

var x = {myProp: "value"};
var y = Object.assign({}, x); 

copy object javascript

// es6
const obj = {name: 'john', surname: 'smith'};
const objCopy = {...obj};

copy object javascript

var x = {key: 'value'}
var y = JSON.parse(JSON.stringify(x))

//this method actually creates a reference-free version of the object, unlike the other methods
//If you do not use Dates, functions, undefined, regExp or Infinity within your object

copying object javascript

// NORMAL COPY---------------------------------------
const a = { x: 0}
const b = a;
b.x = 1; // also updates a.x

// SHALLOW COPY---------------------------------------
const a = { x: 0, y: { z: 0 } };
const b = {...a}; // or const b = Object.assign({}, a);

b.x = 1; // doesn't update a.x
b.y.z = 1; // also updates a.y.z

// DEEP COPY---------------------------------------
const a = { x: 0, y: { z: 0 } };
const b = JSON.parse(JSON.stringify(a)); 

b.y.z = 1; // doesn't update a.y.z

object copy in javascript

let man1 = {
	name:"codepadding",
  	age:29
}
let man2 = {...man1};

copy js object

const clone = structuredClone(object);

clone an object javascript

//returns a copy of the object
function clone(obj) {
    if (null == obj || "object" != typeof obj) return obj;
    var copy = obj.constructor();
    for (var attr in obj) {
        if (obj.hasOwnProperty(attr)) copy[attr] = obj[attr];
    }
    return copy;
}