MeasureThat.net
  • Create a benchmark
  • Online Toolsnew
  • About
  • Feedback
  • Buy me a coffeeBuy me a coffee

Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Chrome 79
Mac OS X 10.15.2
Desktop
4 years ago
Test name Executions per second
querySelector 3638762.0 Ops/sec
querySelectorAll 1385957.0 Ops/sec
getElementsByClassName 4700417.0 Ops/sec
querySelector (ID) 2494346.0 Ops/sec
getElementsByID 5085762.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID