Run results for: Classnames vs CLSX vs cx

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

clsx

38.3M/s

classnames

17.3M/s

9.5M/s

View exact numbers

Test name	Executions per second
✓ clsx	38,288,420 Ops/sec
classnames	17,281,570 Ops/sec
cx	9,547,108 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 src="https://cdn.jsdelivr.net/npm/@emotion/css@11.13.4/dist/emotion-css.umd.min.js"></script>

Script Preparation code:

var c = { a: true, b: false, c: undefined, d: "lorem-ipsum" };

Tests:

classnames
let result = window.classNames(c)
clsx
let result = window.clsx(c)
cx
let result = window.emotion.cx(c)

Run results for: Classnames vs CLSX vs cx

Compare CLSX vs Classnames vs an simpliest implementation of creating a template string

classnames

clsx

cx