binSwapVars

JavaScript performance comparison

Revision 15 of this test case created by François Pirsch

Preparation code

<script>
    var a = ~~(Math.random()*100000);
    var b = ~~(Math.random()*100000);
</script>

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Testing in unknown unknown
Test Ops/sec
binary
a^=b; b^=a; a^=b;
pending…
temp variable
var c = a;
a = b;
b = c;
pending…
js 1.7
[a,b]=[b,a]
pending…
comma operator
a = [b, b = a][0]
pending…

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