parseInt vs Math.floor vs bitwise operator vs bitwise operator
JavaScript performance comparison
Preparation code
<script>
Benchmark.prototype.setup = function() {
var numbers = [87.57421753834933, 26.26186180859804, 71.62071967031807, 65.87039527948946, 41.01329643744975, 74.29505824111402, 99.0098969778046, 1.2578653171658516, 84.19486486818641, 49.89710508380085, 38.536189519800246, 53.994893468916416, 65.00874462071806, 75.5798309808597, 64.64001117274165, 61.94389455486089, 11.629014974460006, 81.05128067545593, 87.19723785761744, 16.800769860856235, 32.70094443578273, 43.43707801308483, 56.214373745024204, 28.27581411693245, 81.57095320057124, 85.79192864708602, 2.4131825426593423, 78.0902827391401, 27.65540392138064, 18.62477830145508]
var number = 1
var i = 0
};
</script>
Test runner
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| Test | Ops/sec | |
|---|---|---|
parseInt |
|
pending… |
Math.floor |
|
pending… |
~~number |
|
pending… |
number | 0 |
|
pending… |
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Revisions
You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:
- Revision 1: published
- Revision 2: published by Christian Dannie Storgaard
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