MeasureThat.net

Run results for: Testing getElementById vs getElementsByClassName vs querySelector vs querySelectorAll

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 14_8 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1
Mobile Safari 14
iOS 14.8
Mobile
3 years ago
Test name Executions per second
getElementById 5355595.0 Ops/sec
getElementsByClassName 4270408.0 Ops/sec
querySelector 4230724.0 Ops/sec
querySelectorAll 2711448.5 Ops/sec
HTML Preparation code:
Tests:

  • getElementById

  • getElementsByClassName

  • querySelector

  • querySelectorAll