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Run results for:
chain of or equals vs includes
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=503649" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.2.1
Device Platform:
Mobile
Date tested:
2 years ago
Array.includes
9.7M/s
Or chain
4.9M/s
View exact numbers
Test name
Executions per second
✓
Array.includes
9,652,924 Ops/sec
Or chain
4,901,943 Ops/sec
Script Preparation code:
var stringToMatch = 'hello';
Tests:
Array.includes
['banana', 'map', 'cloth', 'hello', 'person'].includes(stringToMatch)
Or chain
stringToMatch === 'banana' || stringToMatch === 'map' || stringToMatch === 'cloth' || stringToMatch === 'hello' || stringToMatch === 'person'