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() 2199455.0 Ops/sec
getElementsByClassName() 2075251.0 Ops/sec
getElementsByTagName() 2206492.0 Ops/sec
querySelector(#id) 2419648.0 Ops/sec
querySelector(.id) 2314265.0 Ops/sec
querySelectorAll(#id) 621211.1 Ops/sec
querySelectorAll(.id) 895590.9 Ops/sec
jQuery(#id) 2436113.0 Ops/sec
jQuery(.id) 627545.7 Ops/sec
jQuery(tag#id) 318623.3 Ops/sec
jQuery(tag.id) 362859.9 Ops/sec
jQuery + getElementById 1880456.0 Ops/sec
jQuery + getElementsByClassName 563784.1 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