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Run results for: Array concat vs spread operator vs push single element on a 40 elems array

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_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36
Chrome 76
Mac OS X 10.14.5
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 2031336.0 Ops/sec
spread operator 4433302.0 Ops/sec
Push 9387861.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • Array.prototype.concat

  • spread operator

  • Push