Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0
Firefox 61
Windows
Desktop
5 years ago
Test name Executions per second
getElementById() 1115187.0 Ops/sec
getElementsByClassName() 1067759.0 Ops/sec
getElementsByTagName() 1148978.0 Ops/sec
querySelector(#id) 1153178.0 Ops/sec
querySelector(.id) 1125061.0 Ops/sec
querySelectorAll(#id) 324861.8 Ops/sec
querySelectorAll(.id) 533439.7 Ops/sec
jQuery(#id) 1281744.0 Ops/sec
jQuery(.id) 323143.1 Ops/sec
jQuery(tag#id) 172936.9 Ops/sec
jQuery(tag.id) 194057.9 Ops/sec
jQuery + getElementById 995702.0 Ops/sec
jQuery + getElementsByClassName 266914.3 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