MeasureThat.net

Run results for: Array.prototype.concat vs spread operator

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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36
Chrome 69
Mac OS X 10.13.5
Desktop
6 years ago
Test name Executions per second
slice without any argument 7446901.5 Ops/sec
spread operator 6206556.0 Ops/sec
concat into empty array 3086200.5 Ops/sec
slice(0) 7030434.5 Ops/sec
Script Preparation code:
Tests:

  • slice without any argument

  • spread operator

  • concat into empty array

  • slice(0)

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