vanowm/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Fill an array with consecutive numbers</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("base https://stackoverflow.com/questions/55579499", function () {
		// base https://stackoverflow.com/questions/55579499
		var n=1000;
		var arr=[n];
		for (i=n;i>=0;i--) {
		arr[i]=i;
		}
	});

	suite.add("for loop", function () {
		//for loop
		const arr = Array(1000);
		for(let i = 0; i < arr.length; i++)
		  arr[i] = i;
	});

	suite.add("while loop", function () {
		//while loop
		let i = 1000;
		const arr = Array(i);
		while (i) {
		  arr[--i] = i;
		}
	});

	suite.add("Array.from", function () {
		//Array.from
		const arr = Array.from(Array(1000).keys());
	});

	suite.add("Array.from w/callback", function () {
		//Array.from w/callback
		const arr = Array.from({length:1000},(e,i)=>i)
	});

	suite.add("Array.fill.map", function () {
		//Array.fill.map
		const arr = Array(1000).fill().map((_, i) => i);
	});

	suite.add("[...keys]", function () {
		//[...keys]
		const arr = [...Array(1000).keys()]
	});

	suite.add("[...].map", function () {
		//[...].map
		const arr = [...Array(1000)].map((a,b)=>b)
	});

	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("Fill an array with consecutive numbers");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Fill an array with consecutive numbers</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("base https://stackoverflow.com/questions/55579499", function () {
	// base https://stackoverflow.com/questions/55579499
	var n=1000;
	var arr=[n];
	for (i=n;i>=0;i--) {
	arr[i]=i;
	}
	});

	suite.add("for loop", function () {
	//for loop
	const arr = Array(1000);
	for(let i = 0; i < arr.length; i++)
	arr[i] = i;
	});

	suite.add("while loop", function () {
	//while loop
	let i = 1000;
	const arr = Array(i);
	while (i) {
	arr[--i] = i;
	}
	});

	suite.add("Array.from", function () {
	//Array.from
	const arr = Array.from(Array(1000).keys());
	});

	suite.add("Array.from w/callback", function () {
	//Array.from w/callback
	const arr = Array.from({length:1000},(e,i)=>i)
	});

	suite.add("Array.fill.map", function () {
	//Array.fill.map
	const arr = Array(1000).fill().map((_, i) => i);
	});

	suite.add("[...keys]", function () {
	//[...keys]
	const arr = [...Array(1000).keys()]
	});

	suite.add("[...].map", function () {
	//[...].map
	const arr = [...Array(1000)].map((a,b)=>b)
	});

	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("Fill an array with consecutive numbers");
	console.log(new Array(30).join("-"));
	suite.run();
	});