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 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Chrome 69
Windows 7
Desktop
6 years ago
Test name Executions per second
getElementById 1169220.1 Ops/sec
querySelector 1007355.5 Ops/sec
getElementsByClassName 1703203.4 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • getElementById

  • querySelector

  • getElementsByClassName

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