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Run results for: indexOf vs substr vs startsWith

test perf of indexOf vs substr vs startsWith

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Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36
Chrome 70
Windows 7
Desktop
5 years ago
Test name Executions per second
indexOf 7447094.0 Ops/sec
substr 7494072.0 Ops/sec
startsWith 4675986.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • indexOf

  • substr

  • startsWith