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@scriptype
Created December 21, 2016 16:41
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.map().join() vs .reduce() (http://jsbench.github.io/#0041b8df43a03dc10a2e82173b3dc6c1) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>.map().join() vs .reduce()</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 list = 'a'.repeat(100000).split(' ')
};
suite.add("list.map((e, i) => e + i).join('')", function () {
list.map((e, i) => e + i).join('')
});
suite.add("list.reduce((p, e, i) => p + e + i, '')", function () {
list.reduce((p, e, i) => p + e + i, '')
});
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(".map().join() vs .reduce()");
console.log(new Array(30).join("-"));
suite.run();
});
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