Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36
Chrome 115
Windows
Desktop
one year ago
Test name Executions per second
regexp .test() 8299691.5 Ops/sec
string .match() 7600493.5 Ops/sec
indexOf === 0 13370140.0 Ops/sec
string .startsWith() 9696920.0 Ops/sec
Script Preparation code:
Tests:
  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()