FOR LOOPS test (v6)

Revision 6 of this benchmark created on

Description

Difference between for/in, classical for loop and classical loop with caching.

Setup

var myArray = [3, 1, 4, 1, 5, 9, 2, 6];

Test runner

Ready to run.

Testing in
TestOps/sec
for/in loop
var sum = 0;
for (var i in myArray) {
    sum += myArray[i];
}
ready
for loop (no caching)
var sum = 0;
for (var i = 0; i < myArray.length; i++) {
    sum += myArray[i];
}
ready
for loop (with caching)
var sum = 0;
for (var i = 0, l = myArray.length; i < l; i++) {
    sum += myArray[i];
}
ready
for loop (without .length)
var sum = 0;
for (var i = 0, val; val = myArray[i] ; i++) {
    sum += val;
}
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.