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Run results for:
array find vs some
Compare the new ES6 spread operator with the traditional concat() method
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<iframe src="https://measurethat.net/Embed?id=541093" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.0
Device Platform:
Mobile
Date tested:
one year ago
array find
119.6M/s
array some
101.9M/s
View exact numbers
Test name
Executions per second
✓
array find
119,578,480 Ops/sec
array some
101,867,840 Ops/sec
HTML Preparation code:
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>
Tests:
array find
var a = ['hello', 'a', 'bc']; var b = a.find(item => item === 'bc');
array some
var a = ['hello', 'a', 'bc']; var b = a.some(item => item === 'bc');