MeasureThat.net

Run results for: v2: .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/96.0.4664.45 Safari/537.36
Chrome 96
Windows
Desktop
3 years ago
Test name Executions per second
regexp .test() 6296751.5 Ops/sec
string .match() 5410488.0 Ops/sec
indexOf === 0 7364197.5 Ops/sec
string .startsWith() 6544135.5 Ops/sec
Script Preparation code:
Tests:

  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()