timing

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var perf = window.performance;
};
</script>

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Testing in unknown unknown
Test Ops/sec
window.performance.now()
for (var i = 0; i < 1000; ++i)
  window.performance.now();
 
pending…
Date.now()
for (var i = 0; i < 1000; ++i)
  Date.now();
 
pending…
(new Date()).getTime()
for (var i = 0; i < 1000; ++i)
  (new Date()).getTime();
 
pending…
webkitNow
for (var i = 0; i < 1000; ++i)
  window.performance.webkitNow();
 
pending…
performance.now
for (var i = 0; i < 1000; ++i)
  performance.now();
 
pending…
perf.now with perf a var
for (var i = 0; i < 1000; ++i)
  perf.now();
 
pending…

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