Benchmark: querySelectorAll vs getElementsByClassName v2

HTML Preparation code:

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

Tests:

querySelectorAll
document.querySelectorAll(".test")
getElementsByClassName
document.getElementsByClassName(".test")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
querySelectorAll
getElementsByClassName

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16A404 [FBAN/MessengerForiOS;FBAV/188.0.0.38.99;FBBV/127861730;FBDV/iPhone10,5;FBMD/iPhone;FBSN/iOS;FBSV/12.0.1;FBSS/3;FBCR/T-Mobile.pl;FBID/phone;FBLC/pl_PL;FBOP/5]

Browser/OS: Mobile Safari 12 on iOS 12.0.1

View result in a separate tab

Test name	Executions per second
querySelectorAll	1767387.0 Ops/sec
getElementsByClassName	2920724.0 Ops/sec

querySelectorAll vs getElementsByClassName v2 (version: 0)

Comparing performance of: querySelectorAll vs getElementsByClassName

Created: 5 years ago by: Guest

Jump to the latest result

querySelectorAll

getElementsByClassName

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A