Assignment Operators

JavaScript performance comparison

Revision 2 of this test case created by Joshua Piccari

Info

Is it better to combine your assignment operator with your binary operator?

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = 10,
      b = 20,
      c;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Recycle old variable
a = a + b
pending…
New variable
c = a + b
pending…
Incremental assignment
a += b
pending…

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