MeasureThat.net

Run results for: getElementById vs querySelector vs getElementsByClassName v2

Test performance of different ways of get just one particular DOM element

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0
Firefox 115
Windows
Desktop
one year ago
Test name Executions per second
getElementById 4607366.0 Ops/sec
querySelector 3107300.8 Ops/sec
getElementsByClassName 14032873.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • getElementById

  • querySelector

  • getElementsByClassName