Run results for: Classnames vs clsx with different api

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

clsx (classnames api)

5.3M/s

clsx (arguments)

5.3M/s

clsx (objects)

4.9M/s

clsx (array)

4.6M/s

classnames

3.8M/s

View exact numbers

Test name	Executions per second
✓ clsx (classnames api)	5,334,643 Ops/sec
clsx (arguments)	5,285,284 Ops/sec
clsx (objects)	4,931,569 Ops/sec
clsx (array)	4,649,066 Ops/sec
classnames	3,768,372 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/classnames@2.3.1/index.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/clsx@1.1.1/dist/clsx.min.js"></script>

Tests:

classnames
window.classNames('uu-foo', { 'uu-foo_bar': true, 'uu-foo_baz': false });
clsx (classnames api)
window.clsx('uu-foo', { 'uu-foo_bar': true, 'uu-foo_baz': false });
clsx (objects)
window.clsx({ 'uu-foo': true, 'uu-foo_bar': true, 'uu-foo_baz': false });
clsx (arguments)
window.clsx('uu-foo', true && 'uu-foo_bar', false && 'uu-foo_baz');
clsx (array)
window.clsx(['uu-foo', true && 'uu-foo_bar', false && 'uu-foo_baz']);