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Run results for:
javascript startsWith() vs includes()
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Browser:
Chrome 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
startsWith
79836984.0 Ops/sec
includes
141709104.0 Ops/sec
Tests:
startsWith
const str = "utm_source" str.startsWith("utm_")
includes
const str = "utm_source" str.includes("utm_")