Run results for: for vs foreach vs for..of vs for..of over entries with big number of elements

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 4 months ago

Script Preparation code:

var array = Array.from({length: 5000});
var t;

AخA
 
var array = Array.from({length: 5000});var t;

Tests:

var len = array.length;
for (let i = 0; i < len; i++) {
  t = array[i];
}

 
var len = array.length;for (let i = 0; i < len; i++) {  t = array[i];}

foreach
array.forEach(function(v, i) { t = v; });
array.forEach(function(v, i) {
t = v;
});
for..of
for (var v of array) { t = v; }
for (var v of array) {
t = v;
}
for..of over entries
for (var [i, v] of array.entries()) { t = v; }
for (var [i, v] of array.entries()) {
t = v;
}