concat vs join

JavaScript performance comparison

Test case created

Info

string construction comparison

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var url;
    var domain = 'http://www.domain.com';
    var segment = 'asset_path';
    var image = 'test.gif';
    var iterations = 10000;
   
    for (i = 0; i < iterations; i++) {
};

Benchmark.prototype.teardown = function() {
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
string construction concat
url = domain + '/' + segment + '/' + image;
pending…
string construction via array join
url = [domain, segment, image].join('/');
pending…

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