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Array concat vs spread operator vs push vs Splice
(version: 0)
Compare the new ES6 spread operator with the traditional concat() method and push
Comparing performance of:
Array.prototype.concat vs spread operator vs Push vs Splice
Created:
5 years ago
by:
Guest
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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);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
Array.prototype.concat
spread operator
Push
Splice
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
7 months ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Browser/OS:
Chrome 140 on Linux
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<iframe src="https://measurethat.net/Embed?id=618660" width="100%" height="500px"></iframe>
Test name
Executions per second
Array.prototype.concat
9294956.0 Ops/sec
spread operator
38276240.0 Ops/sec
Push
42206416.0 Ops/sec
Splice
12092990.0 Ops/sec
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concat 2 arrays: Array.prototype.concat vs spread operator
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Array concat vs spread operator vs push #3
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