Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0
Firefox 94
Windows
Desktop
3 years ago
Test name Executions per second
regexp .test() 17812646.0 Ops/sec
string .match() 10797289.0 Ops/sec
indexOf === 0 18935248.0 Ops/sec
string .startsWith() 34836780.0 Ops/sec
Script Preparation code:
Tests:
  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()