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Run results for:
querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Browser:
Chrome 140
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
9 months ago
getElementsByClassName
59.2M/s
getElementsByID
46.2M/s
querySelector
37.4M/s
querySelector (ID)
13.2M/s
querySelectorAll
9.7M/s
View exact numbers
Test name
Executions per second
✓
getElementsByClassName
59,154,252 Ops/sec
getElementsByID
46,241,324 Ops/sec
querySelector
37,383,896 Ops/sec
querySelector (ID)
13,246,743 Ops/sec
querySelectorAll
9,688,204 Ops/sec
HTML Preparation code:
<div class="test" id="test"></div>
Tests:
querySelector
document.querySelector(".test")
querySelectorAll
document.querySelectorAll(".test")
getElementsByClassName
document.getElementsByClassName(".test")
querySelector (ID)
document.querySelector("#test")
getElementsByID
document.getElementById("test")