Benchmark: For vs foreach - MeasureThat.net

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; });

Rendered benchmark preparation results:

Previous results

Test case name	Result
for loop
for each

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Latest run results:

Run details: (Test run date: 7 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/52.0.2743.116 Chrome/52.0.2743.116 Safari/537.36

Browser/OS: Chromium 52 on Ubuntu

Test name	Executions per second
for loop	10966.5 Ops/sec
for each	4391.1 Ops/sec

For vs foreach (version: 0)