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Run results for: spread vs slice vs splice

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
spread 2848696.2 Ops/sec
slice 3253865.8 Ops/sec
splice 6106659.0 Ops/sec
Script Preparation code:
AخA
 
var array = Array.from({ length: 100 }).map((val, i) => i);
Tests:

  • spread

     
    var newArray = [...array];

  • slice

     
    var newArray = array.slice();

  • splice

     
    var newArray = array.splice();