Benchmark: JS selector functions

HTML Preparation code:

<div class="test"></div>
<div class="test"></div>
<div class="test"></div>
<div class="test"></div>
<div class="test"></div>
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Tests:

getElementsByClassName
document.getElementsByClassName("test")
getElementsByTagName
document.getElementsByTagName("div")
querySelectorAll tagname
document.querySelectorAll("div")
querySelectorAll class
document.querySelectorAll(".test")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
getElementsByClassName
getElementsByTagName
querySelectorAll tagname
querySelectorAll class

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser/OS: Chrome 107 on Windows

View result in a separate tab

Test name	Executions per second
getElementsByClassName	3325579.0 Ops/sec
getElementsByTagName	3099179.0 Ops/sec
querySelectorAll tagname	505006.2 Ops/sec
querySelectorAll class	480000.0 Ops/sec

JS selector functions (version: 0)

Comparing performance of: getElementsByClassName vs getElementsByTagName vs querySelectorAll tagname vs querySelectorAll class

Created: one year ago by: Guest

Jump to the latest result

getElementsByClassName

getElementsByTagName

querySelectorAll tagname

querySelectorAll class

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A