Concatinate vs Push

JavaScript performance comparison

Revision 2 of this test case created by og

Info

Which is faster?

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = '',
      arr = [],
      alphabet = 'abcdefghijklmnopqrstuvwxyz'.split(''),
      i = 0,
      r = Math.random,
      f = Math.floor,
      g = ['1','26']
      ,h = ['poi','pos']
   
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
Concatenate
for(i=0;i<10000;++i){
g=g.concat(h);
}
pending…
Push
for(i=0;i<10000;++i){
g.push(h);
}
pending…

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Revisions

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