Benchmark: className.replace vs classList.replace vs classList.remove/add

HTML Preparation code:

<div id="foo" class="asd4as sd33kf asdjbn qS4ves kjsdfd foo k3kjjf u33hh8 kkj28j nb23mb sdd2ON"></div>

Script Preparation code:

var foo = document.getElementById('foo');

Tests:

className replace
foo.className = foo.className.replace(/(?<=\s|^)foo(?=\s|$)/,'bar'); foo.className = foo.className.replace(/(?<=\s|^)bar(?=\s|$)/,'foo');
classList replace
foo.classList.replace('foo','bar'); foo.classList.replace('bar','foo');
classList remove add
foo.classList.remove('foo'); foo.classList.add('foo');

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Windows

Related benchmarks:

className.replace vs classList.replace vs classList.remove/add (version: 1)