foreach vs implemented

JavaScript performance comparison

Test case created by Matti Mehtonen

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var array = [0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0];
   
    var forEachIn = function (func, array) {
        for (var i = 0, j = array.length; i < j; i++) {
            func(array[i], i, array);
        }
    }
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
Native
array.forEach(function (item, index) {
    item += index;
})
pending…
Implimented
forEachIn(function (item, index) {
    item += index;
}, array)
pending…

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