The fastest way to truncate an Array

JavaScript performance comparison

Test case created by David Waterston

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var test_array = [];
  
  for (var j=0; j< 10000; j++){
    test_array[j] = 'AAAAAAAAAA';
  }
  

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Slice
result = test_array.slice(0,100);
pending…
Splice
test_array.splice(100);
pending…
Length
test_array.length = 100;
pending…

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