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Run results for:
Classnames vs CLSX vs Alternatives
Compare CLSX vs Classnames vs an own implementation of creating a template string
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=494740" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Entries, filter, map, join
650K/s
String based (if-else struct)
615K/s
String based (return struct)
609K/s
clsx
555K/s
classnames
488K/s
Array based
394K/s
View exact numbers
Test name
Executions per second
✓
Entries, filter, map, join
650,312 Ops/sec
String based (if-else struct)
615,062 Ops/sec
String based (return struct)
608,623 Ops/sec
clsx
554,975 Ops/sec
classnames
487,959 Ops/sec
Array based
394,278 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@1.1.0/dist/clsx.min.js'></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
let result = window.classNames(str, obj, arr, 'test classname')
clsx
let result = window.clsx(str, obj, arr, 'test classname')
Array based
function ts(...args){ let template = []; args.forEach(arg => { if (typeof arg === 'string') { template.push(arg); return; } if (arg.join) { template = [...template, ...arg]; return; } let entries = Object.entries(arg); if (entries.length) { entries.forEach(entry => { if(entry[1]) template.push(entry[0]) }) } }) return template.join(' '); } let result = ts(str, obj, arr, 'test classname')
String based (return struct)
function ts(...args){ let template = ''; args.forEach(arg => { if (typeof arg === 'string') { template += ' '+arg; return; } if (arg.join) { arg.forEach((e) => { template += ' ' + e; }) return; } let entries = Object.entries(arg); if (entries.length) { entries.forEach(entry => { if(entry[1]) template += ' ' + entry[0] }) } }) return template; } let result = ts(str, obj, arr, 'test classname')
String based (if-else struct)
function ts(...args){ let template = ''; args.forEach(arg => { if (typeof arg === 'string') { template += ' '+arg; } else if (arg.join) { arg.forEach((e) => { template += ' ' + e; }) } else { let entries = Object.entries(arg); if (entries.length) { entries.forEach(entry => { if(entry[1]) template += ' ' + entry[0] }) } } }) return template; } let result = ts(str, obj, arr, 'test classname')
Entries, filter, map, join
let objStyle = Object.entries(obj).filter((style)=>style[1]).map(style => style[0]).join(' '); let arrComb = arr.join(' ') let result = `${str} ${objStyle} ${arrComb} test classname`