Run results for: Lodash cloneDeep VS spread operator w/ extend

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36

Browser: Chrome 88

Operating system: Mac OS X 11.2.1

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash cloneDeep	471456.6 Ops/sec
Spread operator	1153435.9 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var MyObject = {
  description: 'a',
  myNumber: 123456789,
  myBoolean: true,
  deeper: {
    we: "must",
    go: "deeper"
  }
};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.extend(_.cloneDeep(MyObject), {more: "props"});
Spread operator
myCopy = {...MyObject, more: "props"};

Run results for: Lodash cloneDeep VS spread operator w/ extend

Lodash cloneDeep

Spread operator