jridgewell/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Summing rest vs var args</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 () {
		function rest(...args) {
		    let sum = 0;
		    for (let i = 0; i < args.length; i++) sum += args[i];
		    return sum;
		}

		function args() {
		    let sum = 0;
		    for (let i = 0; i < arguments.length; i++) sum += arguments[i];
		    return sum;
		}

		function unusedRest(...args) {
		    let sum = 0;
		    for (let i = 0; i < arguments.length; i++) sum += arguments[i];
		    return sum;
		}
	};


	suite.add("Rest args, empty", function () {
		// Rest args, empty
		rest()
	});

	suite.add("Arguments args, empty", function () {
		// Arguments args, empty
		args()
	});

	suite.add("Rest args, unused, empty", function () {
		// Rest args, unused, empty
		unusedRest()
	});

	suite.add("Rest args, small", function () {
		// Rest args, small
		rest(1, 2, 3)
	});

	suite.add("Arguments args, small", function () {
		// Arguments args, small
		args(1, 2, 3)
	});

	suite.add("Rest args, unused, small", function () {
		// Rest args, unused, small
		unusedRest(1, 2, 3)
	});

	suite.add("Rest args, medium", function () {
		// Rest args, medium
		rest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Arguments args, medium", function () {
		// Arguments args, medium
		args(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Rest args, unused, medium", function () {
		// Rest args, unused, medium
		unusedRest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Rest args, large", function () {
		// Rest args, large
		rest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	suite.add("Arguments args, large", function () {
		// Arguments args, large
		args(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	suite.add("Rest args, unused, large", function () {
		// Rest args, unused, large
		unusedRest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	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("Summing rest vs var args");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Summing rest vs var args</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 () {
	function rest(...args) {
	let sum = 0;
	for (let i = 0; i < args.length; i++) sum += args[i];
	return sum;
	}

	function args() {
	let sum = 0;
	for (let i = 0; i < arguments.length; i++) sum += arguments[i];
	return sum;
	}

	function unusedRest(...args) {
	let sum = 0;
	for (let i = 0; i < arguments.length; i++) sum += arguments[i];
	return sum;
	}
	};


	suite.add("Rest args, empty", function () {
	// Rest args, empty
	rest()
	});

	suite.add("Arguments args, empty", function () {
	// Arguments args, empty
	args()
	});

	suite.add("Rest args, unused, empty", function () {
	// Rest args, unused, empty
	unusedRest()
	});

	suite.add("Rest args, small", function () {
	// Rest args, small
	rest(1, 2, 3)
	});

	suite.add("Arguments args, small", function () {
	// Arguments args, small
	args(1, 2, 3)
	});

	suite.add("Rest args, unused, small", function () {
	// Rest args, unused, small
	unusedRest(1, 2, 3)
	});

	suite.add("Rest args, medium", function () {
	// Rest args, medium
	rest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Arguments args, medium", function () {
	// Arguments args, medium
	args(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Rest args, unused, medium", function () {
	// Rest args, unused, medium
	unusedRest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	});

	suite.add("Rest args, large", function () {
	// Rest args, large
	rest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	suite.add("Arguments args, large", function () {
	// Arguments args, large
	args(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	suite.add("Rest args, unused, large", function () {
	// Rest args, unused, large
	unusedRest(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
	});

	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("Summing rest vs var args");
	console.log(new Array(30).join("-"));
	suite.run();
	});