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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36
Chrome 91
Windows
Desktop
2 years ago
Test name Executions per second
querySelector 4359938.0 Ops/sec
querySelectorAll 2275138.0 Ops/sec
getElementsByClassName 5194696.0 Ops/sec
querySelector (ID) 3172740.0 Ops/sec
getElementsByID 4082130.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID