charVsInt

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = new Array(10000);
};
</script>

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Testing in unknown unknown
Test Ops/sec
char
var v = 'a';
for (var i = a.length; i > 0; i--) {
  a[i] = v;
}
var n = 0;
for (var i = a.length; i > 0; i--) {
  if (a[i] === v)
    n++;
}
pending…
int
var v = 10;
for (var i = a.length; i > 0; i--) {
  a[i] = v;
}
var n = 0;
for (var i = a.length; i > 0; i--) {
  if (a[i] === v)
    n++;
}
pending…
objects
var v = new Object();
for (var i = a.length; i > 0; i--) {
  a[i] = v;
}
var n = 0;
for (var i = a.length; i > 0; i--) {
  if (a[i] === v)
    n++;
}
pending…

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