map Number

JavaScript performance comparison

Test case created by Bruno Lazzaro

Info

.map(Number) perf. against explicit parseInt.

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = ['10', '10', '10']
};
</script>

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Testing in unknown unknown
Test Ops/sec
Map Number
arr.map(Number)
pending…
Map parseInt
arr.map(function(v) {
  return parseInt(v, 10)
})
pending…

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