Test for even or odd

JavaScript performance comparison

Test case created by ThinkingStiff

Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var x, y;
    
  };
</script>

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Testing in unknown unknown
Test Ops/sec
%
 
x = 1;
if( x % 2 ) { y = x }; //if odd
if( !( x % 2 ) ) { y = x }; //if even
x = 0;
if( x % 2 ) { y = x }; 
if( !( x % 2 ) ) { y = x }; 
x = -1;
if( x % 2 ) { y = x }; 
if( !( x % 2 ) ) { y = x }; 
 
 pending…
&
 
x = 1;
if( ( x & 1 ) ) { y = x }; //if odd
if( !( x & 1 ) ) { y = x }; //if even
x = 0;
if( ( x & 1 ) ) { y = x }; 
if( !( x & 1 ) ) { y = x }; 
x = -1;
if( ( x & 1 ) ) { y = x }; 
if( !( x & 1 ) ) { y = x }; 
 
 pending…

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