Substrings
JavaScript performance comparison
Preparation code
<script>
var a = [];
var i = 1024 * 1024 * 2;
var j = 1024 * 1024 * 2;
do {
a.push(String.fromCharCode(32 + Math.floor(Math.random() * 95)));
} while (--i);
var s = a.join('');
var m;
var n = Math.floor(Math.random() * j);
var l = n + 1023;
var za = s.length - 1023;
var c;
</script>
Test runner
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| Test | Ops/sec | |
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Substr |
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Slice |
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Revisions
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- Revision 1: published
- Revision 2: published
- Revision 3: published
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