wooandoo/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>array - for vs while vs forEach 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>

## suite.js
"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 () {
		const array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19]

		const forEach = (fn, array) => {
		    for (let index = 0; index < array.length; index++) {
		    fn(array[index])
		}
		}
	};


	suite.add("let count = 0", function () {
		let count = 0

		for (let index = 0; index < array.length; index++) {
		    count += array[index]
		}
	});

	suite.add("let count = 0", function () {
		let count = 0
		let index = 0

		while (index < array.length) {
		    count += array[index]
		    index++
		}
	});

	suite.add("let count", function () {
		let count

		array.forEach(value => {
		    count += value
		})
	});

	suite.add("let count = array.reduce(", function () {
		let count = array.reduce(
		    (result, value) => result + value,
		    0
		)
	});

	suite.add("let count = 0", function () {
		let count = 0

		forEach(value => { count += value }, array)
	});

	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("array - for vs while vs forEach vs reduce");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>array - for vs while vs forEach 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 () {
	const array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19]

	const forEach = (fn, array) => {
	for (let index = 0; index < array.length; index++) {
	fn(array[index])
	}
	}
	};


	suite.add("let count = 0", function () {
	let count = 0

	for (let index = 0; index < array.length; index++) {
	count += array[index]
	}
	});

	suite.add("let count = 0", function () {
	let count = 0
	let index = 0

	while (index < array.length) {
	count += array[index]
	index++
	}
	});

	suite.add("let count", function () {
	let count

	array.forEach(value => {
	count += value
	})
	});

	suite.add("let count = array.reduce(", function () {
	let count = array.reduce(
	(result, value) => result + value,
	0
	)
	});

	suite.add("let count = 0", function () {
	let count = 0

	forEach(value => { count += value }, array)
	});

	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("array - for vs while vs forEach vs reduce");
	console.log(new Array(30).join("-"));
	suite.run();
	});