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Run results for:
array indexOf vs includes vs some vs for
performance comparison of ways to find if an array contains a value
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=511622" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0
Browser:
Firefox 119
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
IndexOf
55164928.0 Ops/sec
Includes
48754256.0 Ops/sec
some
144918208.0 Ops/sec
for
177091808.0 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']
Tests:
IndexOf
x = false; if(array.indexOf('sausage') !== 1){ x = true; }
Includes
x = false; if(array.includes('sausage')){ x = true; }
some
x = false; if(array.some(v => v === 'sausage')){ x = true; }
for
x = false; for(let i=0; i < array.length; i++){ if(array[i] === 'sausage'){ x = true; break; } }