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Run results for:
array indexOf vs includes vs some vs for loop
performance comparison of ways to find if an array contains a value
Go to the benchmark
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=602968" 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/133.0.0.0 Safari/537.36 OPR/118.0.0.0
Browser:
Opera 118
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
IndexOf
47233004.0 Ops/sec
Includes
44362924.0 Ops/sec
some
52605844.0 Ops/sec
for loop
39700568.0 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var array = ['banana', 'sausage', 'jesus', 'foo', 'bar', 'baz'] var len = array.length
Tests:
IndexOf
array.indexOf('sausage') !== 1
Includes
array.includes('sausage')
some
array.some(v => v === 'sausage')
for loop
for (let i = 0; i < len; i++) { if (array[i] === 'sausage') break; }