Run details:
Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.108 Safari/537.36 UCBrowser/12.13.2.1208
UC Browser 12
Windows XP
Desktop
4 years ago
Test name Executions per second
getElementById() 227993.2 Ops/sec
getElementsByClassName() 161642.5 Ops/sec
getElementsByTagName() 180015.9 Ops/sec
querySelector(#id) 146645.1 Ops/sec
querySelector(.id) 144681.7 Ops/sec
querySelectorAll(#id) 57756.2 Ops/sec
querySelectorAll(.id) 76179.3 Ops/sec
jQuery(#id) 68646.1 Ops/sec
jQuery(.id) 37479.5 Ops/sec
jQuery(tag#id) 10895.7 Ops/sec
jQuery(tag.id) 21841.7 Ops/sec
jQuery + getElementById 92373.7 Ops/sec
jQuery + getElementsByClassName 32075.2 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