Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0
Firefox 63
Ubuntu
Desktop
5 years ago
Test name Executions per second
getElementById() 931904.5 Ops/sec
getElementsByClassName() 737952.7 Ops/sec
getElementsByTagName() 1138832.0 Ops/sec
querySelector(#id) 1131542.0 Ops/sec
querySelector(.id) 1162688.0 Ops/sec
querySelectorAll(#id) 300930.2 Ops/sec
querySelectorAll(.id) 419527.3 Ops/sec
jQuery(#id) 1241844.0 Ops/sec
jQuery(.id) 187106.5 Ops/sec
jQuery(tag#id) 96099.0 Ops/sec
jQuery(tag.id) 100547.3 Ops/sec
jQuery + getElementById 744901.1 Ops/sec
jQuery + getElementsByClassName 186522.5 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