String concatenation
JavaScript performance comparison
Info
Different ways to concatenate strings together
Preparation code
<script>
var one = String.fromCharCode(Math.floor(Math.random() * 128));
var two = String.fromCharCode(Math.floor(Math.random() * 128));
var three = String.fromCharCode(Math.floor(Math.random() * 128));
var four = String.fromCharCode(Math.floor(Math.random() * 128));
var arr = [one, two, three, four]
</script>
Test runner
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Test  Ops/sec  

Direct concatenation 

pending… 
Individual += statements 

pending… 
Individual statements 

pending… 
Using Array#join 

pending… 
Single individual statement 

pending… 
Function based (for) 

pending… 
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