benslv/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Switch IIFE vs. Object Lookup benchmark</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>

## 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("function switchIIFE(value) {", function () {
		function switchIIFE(value) {
			const output = ((value) => {
				switch (value) {
					case "a":
						return "aa";
					case "b":
						return "bb";
					case "c":
						return "cc";
					case "d":
						return "dd";
					default:
						return "xe";
				}
			})(value);

			return output;
		}

		console.log(switchIIFE("a"));
		console.log(switchIIFE("b"));
		console.log(switchIIFE("c"));
		console.log(switchIIFE("d"));
	});

	suite.add("function objectKey(value) {", function () {
		function objectKey(value) {
			const obj = {
				a: "aa",
				b: "bb",
				c: "cc",
				d: "dd",
			};

			return obj[value];
		}

		console.log(objectKey("a"));
		console.log(objectKey("b"));
		console.log(objectKey("c"));
		console.log(objectKey("d"));
	});

	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("Switch IIFE vs. Object Lookup benchmark");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Switch IIFE vs. Object Lookup benchmark</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("function switchIIFE(value) {", function () {
	function switchIIFE(value) {
	const output = ((value) => {
	switch (value) {
	case "a":
	return "aa";
	case "b":
	return "bb";
	case "c":
	return "cc";
	case "d":
	return "dd";
	default:
	return "xe";
	}
	})(value);

	return output;
	}

	console.log(switchIIFE("a"));
	console.log(switchIIFE("b"));
	console.log(switchIIFE("c"));
	console.log(switchIIFE("d"));
	});

	suite.add("function objectKey(value) {", function () {
	function objectKey(value) {
	const obj = {
	a: "aa",
	b: "bb",
	c: "cc",
	d: "dd",
	};

	return obj[value];
	}

	console.log(objectKey("a"));
	console.log(objectKey("b"));
	console.log(objectKey("c"));
	console.log(objectKey("d"));
	});

	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("Switch IIFE vs. Object Lookup benchmark");
	console.log(new Array(30).join("-"));
	suite.run();
	});