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Run results for:
hasAttribute vs. getAttribute vs. classList.contains
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=591538" 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/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
hasAttribute
22925652.0 Ops/sec
getAttribute
21958240.0 Ops/sec
classList
19308460.0 Ops/sec
hasAttribute single
38970668.0 Ops/sec
getAttribute single
23189628.0 Ops/sec
classList single
21833078.0 Ops/sec
HTML Preparation code:
<div id="foo" class="foo bar buz ignore" style="display:block" width="500" height="600" title="TEST" is-ignore="true" ignore></div> <div id="bar" ignore></div> <div id="buz" is-ignore="true"></div> <div id="foobar" class="foo ignore"></div>
Tests:
hasAttribute
var element = document.getElementById("foo"); var isIgnored = element.hasAttribute('ignore');
getAttribute
var element = document.getElementById("foo"); var isIgnored = element.getAttribute('is-ignore') === "true";
classList
var element = document.getElementById("foo"); var isIgnored = element.classList.contains('ignore');
hasAttribute single
var element = document.getElementById("bar"); var isIgnored = element.hasAttributes('ignore');
getAttribute single
var element = document.getElementById("buz"); var isIgnored = element.getAttribute('is-ignore') === "true";
classList single
var element = document.getElementById("foobar"); var isIgnored = element.classList.contains('ignore');