deep clone array in javascript
const numbers = [1, [2], [3, [4]], 5];
// Using JavaScript
JSON.parse(JSON.stringify(numbers));
// Using Lodash
_.cloneDeep(numbers);deep clone array in javascript
const numbers = [1, [2], [3, [4]], 5];
// Using JavaScript
JSON.parse(JSON.stringify(numbers));
// Using Lodash
_.cloneDeep(numbers);javascript clone array of objects
var sheep=[
{"height":20,"name":"Melvin"},
{"height":18,"name":"Betsy"}
];
var clonedSheep=JSON.parse(JSON.stringify(sheep)); //clone array of objects
//note: cloning like this will not work with some complex objects such as: Date(), undefined, Infinity
// For complex objects try: lodash's cloneDeep() method or angularJS angular.copy() methodcopy object array javascript
var ar = ["apple","banana","canaple"];
var bar = Array.from(ar);
alert(bar[1]); // alerts 'banana'
// Notes: this is for in In ES6, works for an object of arrays too!
// (May not be applicable for deep-copy situations?)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;
}Copyright © 2021 Codeinu
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