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Run results for:
Javascript - Array merge
Comparison of techniques for merging performance-focused arrays.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=487281" 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/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
spread operator
70.7M/s
Array.prototype.concat
16.2M/s
jQuery merge
10.0M/s
View exact numbers
Test name
Executions per second
✓
spread operator
70,673,136 Ops/sec
Array.prototype.concat
16,208,155 Ops/sec
jQuery merge
10,037,742 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Tests:
Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]
jQuery merge
var params = [ "hello", true, 7 ]; var other = $.merge([1, 2], params);