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Run results for: Array slice vs for loop output

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
Chrome 117
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
slice then for... of 87077.0 Ops/sec
for loop 93300.9 Ops/sec
Script Preparation code:
AخA
 
var data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
Tests:

  • slice then for... of

     
    var copy = data.slice(3, 8);
    for (var item of copy) {
      console.log('item ${item}');
    }

  • for loop

     
    var copy = [];
    for (var i = 3; i < 8; i++) {
      console.log('item ${item}');
    }