Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36
Chrome 94
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
getElementById 313771.5 Ops/sec
getElementsByClassName 269587.1 Ops/sec
querySelector (ID) 281883.8 Ops/sec
querySelector (class) 267624.4 Ops/sec
querySelector (attribute) 270733.4 Ops/sec
querySelectorAll (ID) 245001.9 Ops/sec
querySelectorAll (class) 227157.7 Ops/sec
querySelectorAll (attribute) 218114.6 Ops/sec
HTML Preparation code:
Tests:
  • getElementById

  • getElementsByClassName

  • querySelector (ID)

  • querySelector (class)

  • querySelector (attribute)

  • querySelectorAll (ID)

  • querySelectorAll (class)

  • querySelectorAll (attribute)