milahu/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>count number of lines in string</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 () {
		// https://stackoverflow.com/questions/8488729
		// how-to-count-the-number-of-lines-of-a-string-in-javascript

		const s = document.body.innerHTML;
	};


	suite.add("match regex", function () {
		// match regex
		(s.match(/\n/g) || '').length
	});

	suite.add("split string", function () {
		// split string
		s.split('\n').length
	});

	suite.add("split regex", function () {
		// split regex
		s.split(/\n/).length
	});

	suite.add("for loop", function () {
		// for loop
		var c = 0;
		for (var i = 0; i < s.length; i++)
		  if(s[i] == '\n') c++;
	});

	suite.add("for loop 2", function () {
		// for loop 2
		var c = 0;
		for (const t of s) if(t == '\n') c++;
	});

	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("count number of lines in string");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>count number of lines in string</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 () {
	// https://stackoverflow.com/questions/8488729
	// how-to-count-the-number-of-lines-of-a-string-in-javascript

	const s = document.body.innerHTML;
	};


	suite.add("match regex", function () {
	// match regex
	(s.match(/\n/g) \|\| '').length
	});

	suite.add("split string", function () {
	// split string
	s.split('\n').length
	});

	suite.add("split regex", function () {
	// split regex
	s.split(/\n/).length
	});

	suite.add("for loop", function () {
	// for loop
	var c = 0;
	for (var i = 0; i < s.length; i++)
	if(s[i] == '\n') c++;
	});

	suite.add("for loop 2", function () {
	// for loop 2
	var c = 0;
	for (const t of s) if(t == '\n') c++;
	});

	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("count number of lines in string");
	console.log(new Array(30).join("-"));
	suite.run();
	});