Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/65.0.3325.181 Chrome/65.0.3325.181 Safari/537.36
Chromium 65
Ubuntu
Desktop
5 years ago
Test name Executions per second
getElementById() 1735026.0 Ops/sec
getElementsByClassName() 1175565.0 Ops/sec
getElementsByTagName() 1380039.0 Ops/sec
querySelector(#id) 1014516.0 Ops/sec
querySelector(.id) 1108755.0 Ops/sec
querySelectorAll(#id) 350418.9 Ops/sec
querySelectorAll(.id) 502038.5 Ops/sec
jQuery(#id) 410911.8 Ops/sec
jQuery(.id) 210882.3 Ops/sec
jQuery(tag#id) 128197.6 Ops/sec
jQuery(tag.id) 136065.2 Ops/sec
jQuery + getElementById 450064.2 Ops/sec
jQuery + getElementsByClassName 163562.1 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