mofux/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>CharData vs []</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 () {
		class CharData extends Array {

		  constructor(char, width, flags, fg, bg) {
		    super(char, width, flags, fg, bg)
		  }

		  get char() {
		    return this[0]
		  }

		  get width() {
		    return this[1]
		  }

		  get flags() {
		    return this[2]
		  }

		  get fg() {
		    return this[3]
		  }

		  get bg() {
		    return this[4]
		  }

		}

		let toCharData = (arr) => ({ char: arr[0], width: arr[1], flags: arr[2], fg: arr[3], bg: arr[4] });

		let arrdata = ['a', 1, 0, 1 << 24, 1 << 24];
		let chdata = new CharData('a', 1, 0, 1 << 24, 1 << 24);
	};


	suite.add("create: char-data", function () {
		// create: char-data
		let arr = new CharData('a', 1, 0, 1 << 24, 1 << 24);
	});

	suite.add("create: native array", function () {
		// create: native array
		let arr = ['a', 1, 0, 1 << 24, 1 << 24];
	});

	suite.add("read: char-data", function () {
		// read: char-data
		let str = `${chdata.char},${chdata.width},${chdata.flags},${chdata.fg},${chdata.bg}`;
	});

	suite.add("read: native array", function () {
		// read: native array
		let str = `${arrdata[0]},${arrdata[1]},${arrdata[2]},${arrdata[3]},${arrdata[4]}`
	});

	suite.add("read: array through view", function () {
		// read: array through view
		let view = toCharData(arrdata);
		let str = `${view.char},${view.width},${view.flags},${view.fg},${view.bg}`;
	});

	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("CharData vs []");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>CharData vs []</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 () {
	class CharData extends Array {

	constructor(char, width, flags, fg, bg) {
	super(char, width, flags, fg, bg)
	}

	get char() {
	return this[0]
	}

	get width() {
	return this[1]
	}

	get flags() {
	return this[2]
	}

	get fg() {
	return this[3]
	}

	get bg() {
	return this[4]
	}

	}

	let toCharData = (arr) => ({ char: arr[0], width: arr[1], flags: arr[2], fg: arr[3], bg: arr[4] });

	let arrdata = ['a', 1, 0, 1 << 24, 1 << 24];
	let chdata = new CharData('a', 1, 0, 1 << 24, 1 << 24);
	};


	suite.add("create: char-data", function () {
	// create: char-data
	let arr = new CharData('a', 1, 0, 1 << 24, 1 << 24);
	});

	suite.add("create: native array", function () {
	// create: native array
	let arr = ['a', 1, 0, 1 << 24, 1 << 24];
	});

	suite.add("read: char-data", function () {
	// read: char-data
	let str = `${chdata.char},${chdata.width},${chdata.flags},${chdata.fg},${chdata.bg}`;
	});

	suite.add("read: native array", function () {
	// read: native array
	let str = `${arrdata[0]},${arrdata[1]},${arrdata[2]},${arrdata[3]},${arrdata[4]}`
	});

	suite.add("read: array through view", function () {
	// read: array through view
	let view = toCharData(arrdata);
	let str = `${view.char},${view.width},${view.flags},${view.fg},${view.bg}`;
	});

	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("CharData vs []");
	console.log(new Array(30).join("-"));
	suite.run();
	});