duplicate object javascript code example
Example 1: clone object in js
var student = {name: "Rahul", age: "16", hobby: "football"};
var studentCopy1 = Object.assign({}, student);
var studentCopy2 = {...student};
var studentCopy3 = JSON.parse(JSON.stringify(student));
Example 2: copy object javascript
var x = {myProp: "value"};
var y = Object.assign({}, x);
Example 3: clone javascript object
let clone = Object.assign({}, objToClone);
Example 4: how to make a deep copy in javascript
JSON.parse(JSON.stringify(o))
Example 5: best way to clone an object in javascript
const person = {
firstName: 'John',
lastName: 'Doe'
};
let p1 = {
...person
};
let p2 = Object.assign({}, person);
let p3 = JSON.parse(JSON.stringify(person));
Example 6: clone an object javascript
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;
}