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

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

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Run details:
Mozilla/5.0 (Linux; Android 8.1.0; Redmi S2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Mobile Safari/537.36
Chrome Mobile 87
Android 8.1.0
Mobile
3 years ago
Test name Executions per second
slice 76406.1 Ops/sec
spread operator 82307.2 Ops/sec
push apply into empty array 223355.9 Ops/sec
Array.from 71484.1 Ops/sec
Object.values 14304.4 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • slice

  • spread operator

  • push apply into empty array

  • Array.from

  • Object.values