Run details:
Mozilla/5.0 (Windows NT 6.1; rv:51.0) Gecko/20100101 Firefox/51.0
Firefox 51
Windows 7
Desktop
6 years ago
Test name Executions per second
querySelector 2801484.5 Ops/sec
getElementsByClassName 25426882.0 Ops/sec
HTML Preparation code:
Tests:
  • querySelector

  • getElementsByClassName