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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/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
getElementsByClassName
10.7M/s
getElementsByID
10.0M/s
querySelector
6.2M/s
querySelector (ID)
4.7M/s
querySelectorAll
2.9M/s
View exact numbers
Test name
Executions per second
✓
getElementsByClassName
10,657,807 Ops/sec
getElementsByID
9,983,498 Ops/sec
querySelector
6,163,954 Ops/sec
querySelector (ID)
4,683,424 Ops/sec
querySelectorAll
2,942,031 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")