Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36
Chrome 68
Windows
Desktop
5 years ago
Test name Executions per second
getElementById() 2554103.0 Ops/sec
getElementsByClassName() 1577232.0 Ops/sec
getElementsByTagName() 1966302.0 Ops/sec
querySelector(#id) 1494512.0 Ops/sec
querySelector(.id) 2044509.0 Ops/sec
querySelectorAll(#id) 713450.3 Ops/sec
querySelectorAll(.id) 850491.9 Ops/sec
jQuery(#id) 958378.0 Ops/sec
jQuery(.id) 405608.1 Ops/sec
jQuery(tag#id) 236555.8 Ops/sec
jQuery(tag.id) 260677.6 Ops/sec
jQuery + getElementById 1010652.0 Ops/sec
jQuery + getElementsByClassName 354459.2 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