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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/114.0.0.0 Safari/537.36 Edg/114.0.1823.82
Chrome 114
Windows
Desktop
one year ago
Test name Executions per second
regexp .test() 11981890.0 Ops/sec
string .match() 7944853.0 Ops/sec
indexOf === 0 12254940.0 Ops/sec
string .startsWith() 19407080.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • regexp .test()

  • string .match()

  • indexOf === 0

  • string .startsWith()