new Date().getTime() vs Date.now()

JavaScript performance comparison

Revision 24 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var now = Date.now || function() {
        return new Date().getTime();
      }
    var legacy = function() {
      return new Date().getTime();
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
Date.now
Date.now();
pending…
+new Date()
+new Date();
pending…
getTime()
new Date().getTime()
pending…
new Date()-0
new Date()-0
pending…

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