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Run results for:
arrays: concat vs spread
Compare the new ES6 spread operator with the traditional concat() method
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<iframe src="https://measurethat.net/Embed?id=617744" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:143.0) Gecko/20100101 Firefox/143.0
Browser:
Firefox 143
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
Array.prototype.concat
21.0M/s
spread operator
18.2M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.concat
20,953,972 Ops/sec
spread operator
18,171,384 Ops/sec
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 ]