Run results for: for vs foreach vs some vs for..of fixed - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	602581.9 Ops/sec
foreach	147878.8 Ops/sec
some	139098.4 Ops/sec
for..of	110478.0 Ops/sec

Script Preparation code:

var array = [];
for(let x = 0; x < 1000; x++) {
  array.push(x);
}

Tests:

for
for (var i = 0; i < array.length; i++) { const result = array[i]; }
foreach
array.forEach(function(v) { const result = v; });
some
array.some(function(v) { const result = v; });
for..of
for (var v of array) { const result = v; }

;