MeasureThat.net

Run results for: For loop vs <Array>.forEach() vs for...of loop

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0
Firefox 114
Windows
Desktop
one year ago
Test name Executions per second
<Array>.forEach() 26080692.0 Ops/sec
For loop 102771408.0 Ops/sec
For...of loop 26281508.0 Ops/sec
Script Preparation code:
AخA
 
var array = Array(50000, (_, i) => i + 1);
Tests:

  • <Array>.forEach()

     
    array.forEach(v => v);

  • For loop

     
    for (let i = 0; i < array.length; i++) array[i];

  • For...of loop

     
    for (let v of array) v;