.shift() vs manual shift

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var r=[parseFloat(Math.round(Math.random()*6)),parseFloat(Math.round(Math.random()*6)),parseFloat(Math.round(Math.random()*6))]
};
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
.shift()
r.shift();r[2]=parseFloat(Math.round(Math.random()*6))
pending…
manual shift
r=[r[1],r[2],parseFloat(Math.round(Math.random()*6))]
pending…

You can edit these tests or add even more tests to this page by appending /edit to the URL.

Compare results of other browsers

0 comments

Add a comment