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Run results for:
chain of and equals vs not 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=499947" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 Edg/121.0.0.0
Browser:
Chrome 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Array.includes
10708744.0 Ops/sec
Or chain
4022777.2 Ops/sec
Script Preparation code:
var stringToMatch = 'hello'; var exceptionArray = ["foo", "bar", "baz", "bud", "goo", "poo"]
Tests:
Array.includes
!exceptionArray.includes(stringToMatch)
Or chain
stringToMatch !== "foo" && stringToMatch !== "bar" && stringToMatch !== "baz" && stringToMatch !== "bud" && stringToMatch !== 'goo' && stringToMatch !== 'poo'