clone object in js
var student = {name: "Rahul", age: "16", hobby: "football"};
//using ES6
var studentCopy1 = Object.assign({}, student);
//using spread syntax
var studentCopy2 = {...student};
//Fast cloning with data loss
var studentCopy3 = JSON.parse(JSON.stringify(student));js clone element
// Syntax:
let newClone = node.cloneNode([deep])
// Example:
let p = document.getElementById("para1")
let p_prime = p.cloneNode(true)javascript clone object
var x = {myProp: "value"};
var xClone = Object.assign({}, x);
//Obs: nested objects are still copied as reference.best way to clone an object in javascript
const person = {
firstName: 'John',
lastName: 'Doe'
};
// using spread ...
let p1 = {
...person
};
// using Object.assign() method
let p2 = Object.assign({}, person);
// using JSON
let p3 = JSON.parse(JSON.stringify(person));javascript clone object
// syntax: let <newObjectName> = {...<initialObjectName>};
// example:
const me = {
name: 'Jakes',
age: 30,
};
const friend = {...me};
friend.age = 27;
console.log(friend.age); // 27
console.log(me.age); // 30
// -----------------------------
// BAD
// -----------------------------
const me = {
name: 'Jonas',
age: 30,
};
const friend = me;
friend.age = 27;
console.log(friend.age); // 27
console.log(me.age); // 30Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
