Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:104.0) Gecko/20100101 Firefox/104.0
Firefox 104
Mac OS X 10.15
Desktop
2 years ago
Test name Executions per second
regexp .test() 41579312.0 Ops/sec
string .match() 25837122.0 Ops/sec
indexOf === 0 23965722.0 Ops/sec
string .startsWith() 66550984.0 Ops/sec
Script Preparation code:
Tests:
  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()