Run results for: deep clone JSON

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Browser: Chrome 74

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
json stringify	162003.4 Ops/sec
lodash deep clone	572204.9 Ops/sec
Object.assign	1899399.6 Ops/sec
Ramda clone	195101.7 Ops/sec

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Tests:

json stringify
var obj = {a: "hello", c: "test", po: 33, arr: [1, 2, 3, 4], anotherObj: {a: 33, str: "whazzup"}}; var obj2 = JSON.parse(JSON.stringify(obj));
lodash deep clone
var obj = {a: "hello", c: "test", po: 33, arr: [1, 2, 3, 4], anotherObj: {a: 33, str: "whazzup"}}; var obj2 = _.clone(obj, true);
Object.assign
var obj = {a: "hello", c: "test", po: 33, arr: [1, 2, 3, 4], anotherObj: {a: 33, str: "whazzup"}}; var obj2 = Object.assign({}, obj);
Ramda clone
var obj = {a: "hello", c: "test", po: 33, arr: [1, 2, 3, 4], anotherObj: {a: 33, str: "whazzup"}}; var obj2 = R.clone(obj);

Run results for: deep clone JSON

json stringify

lodash deep clone

Object.assign

Ramda clone