copy object javascript
// es6
const obj = {name: 'john', surname: 'smith'};
const objCopy = {...obj};copy object javascript
// es6
const obj = {name: 'john', surname: 'smith'};
const objCopy = {...obj};javascript assign
const obj = { a: 1 };
const copy = Object.assign({}, obj);
console.log(copy); // { a: 1 }javascript object.assign
const target = { a: 1, b: 2 };
const source = { b: 4, c: 5 };
const returnedTarget = Object.assign(target, source);
console.log(target);
// expected output: Object { a: 1, b: 4, c: 5 }
console.log(returnedTarget);
// expected output: Object { a: 1, b: 4, c: 5 }javascript clone object
var x = {myProp: "value"};
var xClone = Object.assign({}, x);
//Obs: nested objects are still copied as reference.concat object
const obj1 = { food: 'pizza', car: 'ford' };
const obj2 = { animal: 'dog' };
const obj3 = { ...obj1, ...obj2 };
console.log(obj3);object.assign react js
'use strict';
// Merge an object
let first = {name: 'Tony'};
let last = {lastName: 'Stark'};
let person = Object.assign(first, last);
ChromeSamples.log(person);
// {name: 'Tony', lastName: 'Stark'}
ChromeSamples.log(first);
// first = {name: 'Tony', lastName: 'Stark'} as the target also changed
// Merge multiple sources
let a = Object.assign({foo: 0}, {bar: 1}, {baz: 2});
ChromeSamples.log(a);
// {foo: 0, bar: 1, baz: 2}
// Merge and overwrite equal keys
let b = Object.assign({foo: 0}, {foo: 1}, {foo: 2});
ChromeSamples.log(b);
// {foo: 2}
// Clone an object
let obj = {person: 'Thor Odinson'};
let samp = {person: 'ashok'};
let clone = Object.assign({}, obj, samp);
ChromeSamples.log(clone);
// {person: 'Thor Odinson'}Copyright © 2021 Codeinu
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