querySelectorAll vs. getElementsByClassName
Date tested:
one year ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Test name
Executions per second
querySelectorAll
1046469.2 Ops/sec
getElementsByClassName
2829884.2 Ops/sec
Benchmark definition (click to collapse):
HTML Preparation code:
<div class="test"></div>
AخA
1
<
div
class
=
"test"
></
div
>
Tests:
querySelectorAll
document.querySelectorAll(".test")
document
.
querySelectorAll
(
".test"
)
getElementsByClassName
document.getElementsByClassName(".test")
document
.
getElementsByClassName
(
".test"
)
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