compare+ and join

JavaScript performance comparison

Test case created

Info

var bigArray = []; for (var i = 0; i < 1000; i++) { bigArray.push('This is a test!test!test!'); }

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
   
    var bigArray = [];
    for (var i = 0; i < 1000; i++) {
        bigArray.push('This is a test!test!test!');
    }
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
''
var result = '';
for (var i = 0, length = bigArray.length; i < length; i++) {
    result += bigArray[i];
}
pending…
join
var result = bigArray.join('');
pending…

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