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Last active August 24, 2019 21:02
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string split filter join VS regex replace trim (http://jsbench.github.io/#b7224aaecde5568e8cac9c25e1caf48c) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>string split filter join VS regex replace trim</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 () {
const wubStrings = [
"AWUBBWUBC",
"AWUBWUBWUBBWUBWUBWUBC",
"WUBAWUBBWUBCWUB"
]
const getRandomWubString = () => wubStrings[Math.floor(Math.random() * 3)];
};
suite.add("var songDecoder = (song) => song.split('WUB').filter(x => x !== '').join(' ')", function () {
var songDecoder = (song) => song.split('WUB').filter(x => x !== '').join(' ')
songDecoder(getRandomWubString())
});
suite.add("const songDecoder = song => song.replace(/(WUB)+/g, ' ').trim();", function () {
const songDecoder = song => song.replace(/(WUB)+/g, ' ').trim();
songDecoder(getRandomWubString())
});
suite.add("var songDecoder = (song) => song.split('WUB').filter(x => x).join(' ')", function () {
var songDecoder = (song) => song.split('WUB').filter(x => x).join(' ')
songDecoder(getRandomWubString())
});
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("string split filter join VS regex replace trim");
console.log(new Array(30).join("-"));
suite.run();
});
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