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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0

Browser: Firefox 63

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
for	1113086.2 Ops/sec
foreach	7774142.0 Ops/sec
some	8024748.0 Ops/sec

Script Preparation code:

var array = new Array(100);

Tests:

for
for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(item, index) { return item; });
some
array.some(function(item, index) { return item === array[index]; });

;