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Run results for:
CSS selector best performance
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<iframe src="https://measurethat.net/Embed?id=627396" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 146
Operating system:
Android
Device Platform:
Mobile
Date tested:
28 days ago
Test name
Executions per second
case-1
245830.2 Ops/sec
case-2
244681.3 Ops/sec
case-3
252840.3 Ops/sec
case-4
244046.3 Ops/sec
case-5
240918.8 Ops/sec
case-6
255699.1 Ops/sec
case-7
251529.5 Ops/sec
case-8
268297.8 Ops/sec
HTML Preparation code:
<div id="my-id"> <div class="grand"> <div class="my-class"> <p> I like carrots! </p> </div> </div> </div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Tests:
case-1
$(' div#my-id div.grand div.my-class ').css("background-color", "#cccccc");
case-2
$(' #my-id .grand div.my-class ').css("background-color", "#cccccc");
case-3
$(' #my-id .grand .my-class ').css("background-color", "#cccccc");
case-4
$(' div#my-id div.my-class ').css("background-color", "#cccccc");
case-5
$(' #my-id div.my-class ').css("background-color", "#cccccc");
case-6
$(' #my-id .my-class ').css("background-color", "#cccccc");
case-7
$(' div.my-class ').css("background-color", "#cccccc");
case-8
$(' .my-class ').css("background-color", "#cccccc");