Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0
Firefox 67
Mac OS X 10.14
Desktop
5 years ago
Test name Executions per second
indexOf 30702170.0 Ops/sec
substr 1334434.1 Ops/sec
startsWith 37448072.0 Ops/sec
Script Preparation code:
Tests:
  • indexOf

  • substr

  • startsWith