Run results for: for loop vs Array.some

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0

Browser: Firefox 86

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
for	380480.0 Ops/sec
some	515653.1 Ops/sec

Script Preparation code:

var array = new Array(1000);
var result = false;

Tests:

for
for (var i = 0; i < array.length; i++) { array[i]; if (i === 877) { result = true; } }
some
array.some(function(i) { return array[i] === 877; });