MeasureThat.net

Run results for: Array concat vs spread operator vs push (many)

Compare the new ES6 spread operator with the traditional concat() method and push

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Chrome 92
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 3982290.5 Ops/sec
spread operator 6570574.0 Ops/sec
copy on push 1598194.8 Ops/sec
directly push 4045957.5 Ops/sec
flat 1.4 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • Array.prototype.concat

  • spread operator

  • copy on push

  • directly push

  • flat

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