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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
Chrome 89
Linux
Desktop
3 years ago
Test name Executions per second
querySelector 2441872.0 Ops/sec
querySelectorAll 1222002.0 Ops/sec
getElementsByClassName 2672944.0 Ops/sec
querySelector (ID) 1808858.0 Ops/sec
getElementsByID 2696814.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID