JAVASCRIPT

how to make a deep copy in javascript

JSON.parse(JSON.stringify(o))

js deep copy

import * as _ from "lodash";

var comma = _.cloneDeep(kitty);

deep copy in javascript

FOR JAVASCRIPT:

	- Shallow Copy: 
        object2 = object1  

    - Deep Copy:
        object2 = {...object1}       //for arrays: array2 = [...array1]

    - Deep Copy (for Objects with nested Objects):
        object2 = JSON.parse(JSON.stringify(object1));

    - Deep Copy (for objects with nested 'Date object' OR functions):
        1- npm i loadash
        2- const _ = require('loadash');
        3- object2 = _.cloneDeep(object1);

deep copy javascript

function copy(arr1, arr2) {
	for (var i =0; i< arr1.length; i++) {
    	arr2[i] = arr1[i];
    }
}
copy(arr1, arr2)

js deep copy

var mudge = JSON.parse(JSON.stringify(kitty));

shallow copy and deep copy in javascript

// shallow copy :: modification in original array
 var newEmployee = employee;

// Deep copy :: no modification in orifinal array
 var newEmployee = JSON.parse(JSON.stringify(employee));

js deep copy

var knuckle = Object.assign({}, kitty);