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Last active January 13, 2017 13:17
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object vs array lookup #jsbench #jsperf (http://jsbench.github.io/#854fcaf4dd00bf49d30ba1829c59b18b) #jsbench #jsperf
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>object vs array lookup #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>
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("var forbiddenArray = [\"A\", \"B\", \"C\", \"D\", \"E\"];", function () {
var forbiddenArray = ["A", "B", "C", "D", "E"];
var forbiddenObject = {"A":true, "B":true, "C":true, "D":true, "E":true};
var values = ["A", "C", "E", "F", "G"];
for (let i = 0; i < values.length; i ++) {
var value = values[0];
if (forbiddenArray.includes(value)) continue;
}
});
suite.add("var forbiddenArray = [\"A\", \"B\", \"C\", \"D\", \"E\"];", function () {
var forbiddenArray = ["A", "B", "C", "D", "E"];
var forbiddenObject = {"A":true, "B":true, "C":true, "D":true, "E":true};
var values = ["A", "C", "E", "F", "G"];
for (let i = 0; i < values.length; i ++) {
var value = values[0];
if (forbiddenObject[value]) continue;
}
});
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("object vs array lookup #jsbench #jsperf");
console.log(new Array(30).join("-"));
suite.run();
});
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