Methods of getting time

JavaScript performance comparison

Revision 11 of this test case created

Info

https://twitter.com/jaffathecake/status/306706682552143872

jaffathecake: Avoid "+new Date" to generate timestamps during animation. Use "Date.now()" or "performance.now()" instead http://t.co/Hle0qzxWeZ

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var perf = performance,
    perfNow = performance.now.bind(performance),
    dateNow = Date.now;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Date.now
Date.now();
pending…
Cached Date.now
dateNow();
pending…
new Date().getTime()
new Date().getTime();
pending…
new Date().valueOf()
new Date().valueOf();
pending…
Number(new Date)
Number(new Date);
pending…
+new Date()
+new Date();
pending…
performance.now()
performance.now();
pending…
Cached performance object
perf.now();
pending…
Cached performance.now method
perfNow();
pending…
window.performance.now()
window.performance.now();
pending…

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