Run results for: classnames - clsx - classcat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

classcat(str)

111.3M/s

clsx(str)

47.2M/s

classcat(obj)

35.1M/s

classcat(arr)

30.1M/s

clsx(arr)

26.6M/s

clsx(obj)

26.2M/s

classnames(str)

17.8M/s

classnames(obj)

12.1M/s

classnames(arr)

8.2M/s

View exact numbers

Test name	Executions per second
✓ classcat(str)	111,253,032 Ops/sec
clsx(str)	47,224,320 Ops/sec
classcat(obj)	35,137,056 Ops/sec
classcat(arr)	30,087,634 Ops/sec
clsx(arr)	26,609,652 Ops/sec
clsx(obj)	26,192,550 Ops/sec
classnames(str)	17,754,122 Ops/sec
classnames(obj)	12,050,077 Ops/sec
classnames(arr)	8,238,662 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/classnames/2.3.2/index.min.js'></script>
<script src='https://unpkg.com/clsx@latest/dist/clsx.min.js'></script>
<script type="module">
    import classcat from "https://unpkg.com/classcat?module"
    window.classcat = classcat
</script>

Script Preparation code:

var str = 'style';
var obj = {
 	 'style-2': true,
  	 'style-3': false,
 	 'style-4': true,
}
var arr = ['style-5', 'style-6']

Tests:

classnames(str)
let result = window.classNames(str, 'test classname')
classnames(obj)
let result = window.classNames(obj, 'test classname')
classnames(arr)
let result = window.classNames(arr, 'test classname')
clsx(str)
let result = window.clsx(str, 'test classname')
clsx(obj)
let result = window.clsx(obj, 'test classname')
clsx(arr)
let result = window.clsx(arr, 'test classname')
classcat(str)
let result = window.classcat(str, 'test classname')
classcat(obj)
let result = window.classcat(obj, 'test classname')
classcat(arr)
let result = window.classcat(arr, 'test classname')