Benchmark: underscore clone VS spread operator

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.6/underscore-min.js" integrity="sha512-2V49R8ndaagCOnwmj8QnbT1Gz/rie17UouD9Re5WxbzRVUGoftCu5IuqqtAM9+UC3fwfHCSJR1hkzNQh/2wdtg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Script Preparation code:

var MyObject = {
  description: 'a',
  myNumber: 123456789,
  myBoolean: true,
};

var myCopy = null;

Tests:

underscore clone shallow
myCopy = _.clone(MyObject);
Spread operator
myCopy = {...MyObject};

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
underscore clone shallow
Spread operator

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0

Browser/OS: Firefox 114 on Windows

View result in a separate tab

Test name	Executions per second
underscore clone shallow	16000190.0 Ops/sec
Spread operator	18972980.0 Ops/sec

underscore clone VS spread operator (version: 0)

Comparing performance of: underscore clone shallow vs Spread operator

Created: one year ago by: Guest

Jump to the latest result

underscore clone shallow

Spread operator

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A