Undefined vs Void 0 with createElement

JavaScript performance comparison

Test case created by Josh

Info

Checking undefined vs void 0;

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    function undefCheck(){
        var target = undefined,
            target = document.createElement('div');
   
        return target;
    }
   
    function voidCheck(){
         var target = void 0,
             target = document.createElement('div');  
         return target;
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
Undefined
undefCheck();
pending…
Void 0
voidCheck();
pending…

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