jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.

jsperf.com URLs are mirrored at the same path, e.g:

https://jsperf.com/negative-modulo/2

Can be accessed at:

https://jsperf.app/negative-modulo/2

deep copy

Benchmark created on

Setup

https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js

Test runner

Ready to run.

Testing in
Test		Ops/sec
deep lodash	`const valule = {}; _.cloneDeep(valule);`	ready
json	`const valule = {}; JSON.parse( JSON.stringify(valule))`	ready
web api	`const valule = {}; structuredClone(valule)`	ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

Revision 1: published on