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@zurfyx
Created December 17, 2016 13:38
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map vs filter arr (http://jsbench.github.io/#7fa01f89a5dc5cc3bee79abfde80cdb3) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>map vs filter arr</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;
suite.add("const arr = [{age: 1}, {age:2}, {age:3}, {age:4}, {age:5}, {age:6}, {age:7}, {age:8}, {age:9}, {age:10}];", function () {
const arr = [{age: 1}, {age:2}, {age:3}, {age:4}, {age:5}, {age:6}, {age:7}, {age:8}, {age:9}, {age:10}];
return arr.map((x) => x.age).indexOf(10);
});
suite.add("const arr = [{age: 1}, {age:2}, {age:3}, {age:4}, {age:5}, {age:6}, {age:7}, {age:8}, {age:9}, {age:10}];", function () {
const arr = [{age: 1}, {age:2}, {age:3}, {age:4}, {age:5}, {age:6}, {age:7}, {age:8}, {age:9}, {age:10}];
return arr.filter((x) => x.age === 10)[0];
});
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 vs filter arr");
console.log(new Array(30).join("-"));
suite.run();
});
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