MeasureThat.net

Run results for: .startsWith() vs .test() vs .match() vs .indexOf()

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36 Edg/100.0.1185.36
Chrome 100
Windows
Desktop
2 years ago
Test name Executions per second
regexp .test() 3367714.8 Ops/sec
string .match() 2779877.8 Ops/sec
indexOf === 0 4904323.5 Ops/sec
string .startsWith() 3876930.8 Ops/sec
Script Preparation code:
Tests:

  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()