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Run results for:
querySelector, querySelectorAll, getElementsByClassName, querySelector (ID), getElementsByID
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Browser:
Firefox 136
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
getElementsByClassName
3.9M/s
getElementsByID
3.7M/s
querySelector (ID)
2.3M/s
querySelector
2.2M/s
querySelectorAll
859K/s
View exact numbers
Test name
Executions per second
✓
getElementsByClassName
3,850,285 Ops/sec
getElementsByID
3,689,572 Ops/sec
querySelector (ID)
2,266,552 Ops/sec
querySelector
2,191,261 Ops/sec
querySelectorAll
858,692 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")