concat vs + vs join

JavaScript performance comparison

Revision 2 of this test case created by Kobi

Info

How to concat strings faster.

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var s1='Coucou ', s2='c\'est ', s3='nous !';
};
</script>

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Testing in unknown unknown
Test Ops/sec
concat
s1.concat(s2, s3);
pending…
+
s1 + s2 + s3;
pending…
join
[s1, s2, s3].join();
pending…

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