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Run results for:
chain of or equals vs includes 4
how much of a performance deficit you can expect from using Array.includes instead of manually writing a chain of logical ORs
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<iframe src="https://measurethat.net/Embed?id=570554" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Array.includes
84596728.0 Ops/sec
Or chain
39072476.0 Ops/sec
Script Preparation code:
var stringToMatch = 'hello';
Tests:
Array.includes
['banana', 'map', 'cloth', 'hello', 'person'].includes(stringToMatch)
Or chain
stringToMatch.includes('banana') || stringToMatch.includes('map') || stringToMatch.includes('cloth') || stringToMatch.includes('hello') || stringToMatch.includes('person')