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@arccoza
Created December 4, 2017 04:34
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Fastest way to split a string (http://jsbench.github.io/#564b3aa597288c2a333619f2aa2297f7) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Fastest way to split a string</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
<script src="./suite.js"></script>
</head>
<body>
<h1>Open the console to view the results</h1>
<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
</body>
</html>
"use strict";
(function (factory) {
if (typeof Benchmark !== "undefined") {
factory(Benchmark);
} else {
factory(require("benchmark"));
}
})(function (Benchmark) {
var suite = new Benchmark.Suite;
Benchmark.prototype.setup = function () {
var str = 'asdfkjroi_vnarevihg_asdfasdfg';
};
suite.add("var arr = str.split('_');", function () {
var arr = str.split('_');
});
suite.add("var arr = [], len = str.length, sepLen = '_'.length, count = 0, a, b, i;", function () {
var arr = [], len = str.length, sepLen = '_'.length, count = 0, a, b, i;
for (a = 0, b = 0, i = 0; b = str.indexOf('_', b), b > -1; arr[i++] = str.substring(a, b), b += sepLen, a = b);
arr[i] = str.substring(a);
});
suite.on("cycle", function (evt) {
console.log(" - " + evt.target);
});
suite.on("complete", function (evt) {
console.log(new Array(30).join("-"));
var results = evt.currentTarget.sort(function (a, b) {
return b.hz - a.hz;
});
results.forEach(function (item) {
console.log((idx + 1) + ". " + item);
});
});
console.log("Fastest way to split a string");
console.log(new Array(30).join("-"));
suite.run();
});
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