Empty true array

JavaScript performance comparison

Revision 78 of this test case created by Ray Brooks

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var buffer = new ArrayBuffer(384);
    var arr = new Int16Array(buffer);
    for (i = 0; i < arr.length; i++) {
      console.log(arr[i]);
    }
};

Benchmark.prototype.teardown = function() {
    buffer = null;
    arr = null;
    i = 0;
};
</script>

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Testing in unknown unknown
Test Ops/sec
length
arr.length = 0;
pending…
splice
arr = arr.subarray(0, arr.length - 1);
pending…
new
arr = []
pending…

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