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

Run details:

User agent: Mozilla/5.0 (Android 4.2.2; Tablet; rv:68.0) Gecko/68.0 Firefox/68.0

Browser: Android 4

Operating system: Android 4.2.2

Device Platform: Tablet

Date tested: 2 years ago

Test name	Executions per second
for	16182.2 Ops/sec
foreach	101945.6 Ops/sec
some	101746.4 Ops/sec
for..of	1326.0 Ops/sec
reduce	90345.4 Ops/sec

Script Preparation code:

var array = new Array(1000).map( () => 1);

Tests:

for
for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(i) { array[i]; });
some
array.some(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }
reduce
array.reduce( function(a, b ) { a+b; }, 1 )

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