Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Windows
Desktop
5 years ago
Test name Executions per second
getElementById() 1687556.0 Ops/sec
getElementsByClassName() 1158895.0 Ops/sec
getElementsByTagName() 1270271.0 Ops/sec
querySelector(#id) 929945.6 Ops/sec
querySelector(.id) 1406722.0 Ops/sec
querySelectorAll(#id) 408528.6 Ops/sec
querySelectorAll(.id) 558778.6 Ops/sec
jQuery(#id) 425863.7 Ops/sec
jQuery(.id) 172232.3 Ops/sec
jQuery(tag#id) 95977.8 Ops/sec
jQuery(tag.id) 91427.0 Ops/sec
jQuery + getElementById 559942.4 Ops/sec
jQuery + getElementsByClassName 162898.3 Ops/sec
HTML Preparation code:
Tests:
  • getElementById

  • getElementsByClassName

  • getElementsByTagName

  • querySelector (#id)

  • querySelector (.id)

  • querySelectorAll (#id)

  • querySelectorAll (.id)

  • Cash (#id)

  • Cash (.id)

  • Cash (tag#id)

  • Cash (tag.id)

  • Cash + getElementById

  • Cash + getElementsByClassName

  • jQuery (#id)

  • jQuery (.id)

  • jQuery (tag#id)

  • jQuery (tag.id)

  • jQuery + getElementById

  • jQuery + getElementsByClassName