Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:63.0) Gecko/20100101 Firefox/63.0
Firefox 63
Mac OS X 10.13
Desktop
6 years ago
Test name Executions per second
querySelector 3342001.5 Ops/sec
getElementsByClassName 5872472.0 Ops/sec
HTML Preparation code:
Tests:
  • querySelector

  • getElementsByClassName