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Created January 12, 2022 10:23
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[...str] vs Array.from(str) (http://jsbench.github.io/#559a59d681819d0d41351eb1fa605a5c) #jsbench #jsperf
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>[...str] vs Array.from(str)</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>
Raw
suite.js
"use strict";
(function (factory) {
if (typeof Benchmark !== "undefined") {
factory(Benchmark);
} else {
factory(require("benchmark"));
}
})(function (Benchmark) {
var suite = new Benchmark.Suite;
suite.add("const nextSmaller = (n) => {", function () {
const nextSmaller = (n) => {
const arr = Array.from(n)
return arr
}
nextSmaller('100')
});
suite.add("const nextSmaller = (n) => {", function () {
const nextSmaller = (n) => {
const arr = [...n]
return arr
}
nextSmaller('100')
});
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("[...str] vs Array.from(str)");
console.log(new Array(30).join("-"));
suite.run();
});
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