jridgewell/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>new Array vs Int32Array.subarray</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 base = new Int32Array(5);
		function randomize() {
		  base[0] = Math.random() * 100;
		  base[1] = Math.random() * 5;
		  base[2] = Math.random() * 5;
		  base[3] = Math.random() * 5;
		  base[4] = Math.random() * 5;
		}

		function toArray() {
		    if (base[1] === 0) {
		        return [base[0]];
		    }
		    if (base[4] === 0) {
		        return [base[0], base[1], base[2], base[3]];
		    }
		    return [base[0], base[1], base[2], base[3], base[4]];
		}

		function toSubArray() {
		    if (base[1] === 0) {
		        return base.subarray(0, 1);
		    }
		    if (base[4] === 0) {
		        return base.subarray(0, 4);
		    }
		    return base.subarray(0, 5);
		}
	};


	suite.add("Array", function () {
		// Array
		randomize();
		toArray();
	});

	suite.add("subarray", function () {
		// subarray
		randomize();
		toSubArray();
	});

	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("new Array vs Int32Array.subarray");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>new Array vs Int32Array.subarray</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 base = new Int32Array(5);
	function randomize() {
	base[0] = Math.random() * 100;
	base[1] = Math.random() * 5;
	base[2] = Math.random() * 5;
	base[3] = Math.random() * 5;
	base[4] = Math.random() * 5;
	}

	function toArray() {
	if (base[1] === 0) {
	return [base[0]];
	}
	if (base[4] === 0) {
	return [base[0], base[1], base[2], base[3]];
	}
	return [base[0], base[1], base[2], base[3], base[4]];
	}

	function toSubArray() {
	if (base[1] === 0) {
	return base.subarray(0, 1);
	}
	if (base[4] === 0) {
	return base.subarray(0, 4);
	}
	return base.subarray(0, 5);
	}
	};


	suite.add("Array", function () {
	// Array
	randomize();
	toArray();
	});

	suite.add("subarray", function () {
	// subarray
	randomize();
	toSubArray();
	});

	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("new Array vs Int32Array.subarray");
	console.log(new Array(30).join("-"));
	suite.run();
	});