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

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

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.119 Safari/537.36
Chrome 64
Linux
Other
2024 years ago
Test name Executions per second
slice 9581150.0 Ops/sec
spread operator 2350911.0 Ops/sec
concat into empty array 3024242.0 Ops/sec
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Script Preparation code:
Tests:

  • slice

  • spread operator

  • concat into empty array