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Run results for:
array map vs _.map
Compare the new ES6 spread operator with the traditional concat() method
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=529274" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Browser:
Chrome 125
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
array map
99.0M/s
_.map
14.7M/s
View exact numbers
Test name
Executions per second
✓
array map
98,979,440 Ops/sec
_.map
14,701,186 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 map
var a = ['hello', 'a', 'bc']; var b = a.map(item => item.length);
_.map
var a = ['hello', 'a', 'bc']; var b = _.map(a, item => item.length);