underscore / lodash

JavaScript performance comparison

Revision 10 of this test case created

Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>
<script>
var underscore = _.noConflict();
</script>
<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/2.0.0/lodash.min.js"></script>
<script>
var lodash = _.noConflict();
</script>
<script>
Benchmark.prototype.setup = function() {
    var lodash = window.lodash,
        underscore = window.underscore;
   
    var numbers = [];
    for (var i = 0; i < 20; i++) {
      numbers[i] = i;
    }
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
uniq underscore
underscore.uniq(numbers.concat(numbers));
pending…
uniq lodash
lodash.uniq(numbers.concat(numbers));
pending…
intersection underscore
underscore.intersection(numbers, numbers);
pending…
intersection lodash
lodash.intersection(numbers, numbers);  
pending…

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