Run results for: copy array with foreach for and map

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

   var arr = [];
    for (var i = 0; i < 1000; i++) {
      arr[i] = i;
    }

Tests:

foreach
var arr2 = []; arr.forEach(item => arr2.push(item))
for
var arr2 = []; for (var i = 0, len = arr.length; i < len; i++) { arr2.push(arr[i]); }
map
var arr2 = arr.map(item => item)