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Last active December 15, 2015 09:24
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array: .native vs .forEach vs .map #jsbench #jsperf (http://jsbench.github.io/#6107e83d8fcfe0bbb37a) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>array: .native vs .forEach vs .map #jsbench #jsperf</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 foo = [];
var length = 100000;
for (var i = 0; i < length; i++) {
foo.push(i+"");
}
};
suite.add("var z = 0;", function () {
var z = 0;
for (var i = 0; i < length; i++) {
z = foo[i];
}
});
suite.add("var z = 0;", function () {
var z = 0;
foo.forEach(function(e) {
z = e;
});
});
suite.add("var z = 0;", function () {
var z = 0;
foo.map(function(e) {
z = e;
});
});
suite.on("cycle", function (evt) {
console.log(" " + evt);
});
suite.on("complete", function (evt) {
var results = evt.currentTarget.sort(function (a, b) {
return b.hz - a.hz;
});
results.forEach(function (item) {
console.log(" " + item);
});
});
console.log("array: .native vs .forEach vs .map #jsbench #jsperf");
console.log(new Array(30).join("-"));
suite.run();
});
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