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Javascript classList.contains vs element.matches vs classList.some vs classList.every
(version: 1)
Comparing performance of:
matches vs classList vs classList some vs classList every
Created:
one year ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<body class="foo bar baz"></body>
Tests:
matches
var i = 1000; while (i--) { if (document.body.matches(".foo.baz")) { return true; } }
classList
var i = 1000; while (i--) { if (document.body.classList.contains('foo') && document.body.classList.contains('baz')) { return true; } }
classList some
var i = 1000; while (i--) { if (['foo', 'baz'].some(className => document.body.classList.contains(className))) { return true; } }
classList every
var i = 1000; while (i--) { if (['foo', 'baz'].every(className => document.body.classList.contains(className))) { return true; } }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
matches
classList
classList some
classList every
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
5 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0
Browser/OS:
Firefox 145 on Windows
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Test name
Executions per second
matches
6565222.5 Ops/sec
classList
4210581.5 Ops/sec
classList some
7804528.0 Ops/sec
classList every
3910463.5 Ops/sec
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