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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Edg/91.0.864.64
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 2118248.5 Ops/sec
spread operator 3070765.5 Ops/sec
copy on push 850009.7 Ops/sec
directly push 1804631.9 Ops/sec
flat 1.8 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • Array.prototype.concat

  • spread operator

  • copy on push

  • directly push

  • flat

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