for loop vs slice

JavaScript performance comparison

Test case created

Info

for loop speed vs slice

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var foo = [1, 2, 3, 4, 5, 6];
   
    var bar = [];
   
    function CloneArray(arr)
    {
     return arr.slice(0);
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
for
for(var k in foo)
{
bar[k] = foo[k];
}
pending…
slice
bar = CloneArray(foo);
pending…

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