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Run results for:
javascript concat vs spread operator vs push
javascript concat vs spread operator vs push
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<iframe src="https://measurethat.net/Embed?id=616536" 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/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
concat
23105816.0 Ops/sec
spread operator
47582336.0 Ops/sec
push
79012560.0 Ops/sec
Tests:
concat
var existed = [ 1, 2, 3 ]; var params = [ "hello", true, 7 ]; var other = existed.concat(params);
spread operator
var existed = [ 1, 2, 3 ]; var params = [ "hello", true, 7 ]; var other = [ ...existed, ...params ];
push
var existed = [ 1, 2, 3 ]; var params = [ "hello", true, 7 ]; var other = existed.push(...params);