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Run results for:
Classnames vs CLSX vs [].filter(Boolean).join(" ")
Compare CLSX vs Classnames vs an simpliest implementation of creating a template string
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=611188" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
clsx
32.6M/s
classnames
16.2M/s
Entries, filter, map, join
14.1M/s
View exact numbers
Test name
Executions per second
✓
clsx
32,551,912 Ops/sec
classnames
16,224,722 Ops/sec
Entries, filter, map, join
14,127,828 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/classnames/2.2.6/index.min.js'></script> <script src='https://unpkg.com/clsx@1.1.1/dist/clsx.min.js'></script>
Script Preparation code:
var neco = [true, false, undefined, "lorem-ipsum"];
Tests:
classnames
let result = window.classNames("dolor-sit-amet", ...neco, undefined)
clsx
let result = window.clsx("dolor-sit-amet", ...neco, undefined)
Entries, filter, map, join
function cx(...input) { return input.filter(Boolean).join(" "); } let result = cx("dolor-sit-amet", ...neco, undefined)