concat string vs toString

JavaScript performance comparison

Revision 7 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var boo = new Array(1e6);
    for (var i = 0; i < boo.length; i++) {
      boo[i] = Math.random(100000, 999999);
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
concat string
var foo = boo[Math.floor(Math.random() * boo.length)] + "";
pending…
toString
var foo = boo[Math.floor(Math.random() * boo.length)].toString();
pending…
toString(10)
var foo = boo[Math.floor(Math.random() * boo.length)].toString(10);
pending…
"" before
var foo = "" + boo[Math.floor(Math.random() * boo.length)];
pending…

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