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Run results for:
Array concat vs spread operator vs push vs Splice
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=614089" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Android 16; Mobile; rv:141.0) Gecko/141.0 Firefox/141.0
Browser:
Firefox Mobile 141
Operating system:
Android
Device Platform:
Mobile
Date tested:
9 months ago
Test name
Executions per second
Array.prototype.concat
21203676.0 Ops/sec
spread operator
16605978.0 Ops/sec
Push
23634118.0 Ops/sec
Splice
7817452.5 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 ]
Push
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].push(...params);
Splice
var params = [ "hello", true, 7 ]; var other = params.splice(params.length, 0, ...params);