Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36 OPR/89.0.4447.83
Opera 89
Windows
Desktop
2 years ago
Test name Executions per second
regexp .test() 6503625.0 Ops/sec
string .match() 5521047.0 Ops/sec
indexOf === 0 8944689.0 Ops/sec
string .startsWith() 5956971.0 Ops/sec
Script Preparation code:
Tests:
  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()