Run results for: For vs foreach

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:47.0) Gecko/20100101 Firefox/47.0

Browser: Firefox 47

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
for loop	6703.2 Ops/sec
for each	6755.0 Ops/sec

Tests:

for loop
var arr = []; for (var i = 0; i<10000; i++) { arr.push(i); } var sum = 0; for (var j = 0; j < arr.length; j++) { sum = sum + j; }
for each
var arr = []; for (var i = 0; i<10000; i++) { arr.push(i); } var sum = 0; arr.forEach(function(num) { sum = sum + num; });