Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var n = 100;
    function isNumber(ukn) {
       return 'number' != typeof ukn;
    }
    
  };
</script>

Test runner

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var ok = 'number' === typeof n;

var ok = isFinite(n);

var ok = !isNaN(n);

var ok = 'number' == typeof n;

var ok = isNumber(n);

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by ryanve on 3rd February 2012
• Revision 2: published on 3rd February 2012
• Revision 3: published by ryanve on 15th April 2012

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