Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Edg/118.0.2088.69
Chrome 118
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
regexp .test() 19139892.0 Ops/sec
string .match() 15704562.0 Ops/sec
indexOf === 0 28881740.0 Ops/sec
string .startsWith() 20006138.0 Ops/sec
Script Preparation code:
Tests:
  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()