Lodin/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>RegExp vs toLowerCase #jsbench #jsperf</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 arr = new Array(10000);
		for (let i = 0; i < 10000; i++) {
		    arr[i] = i % 2 === 0 ? `FOO` : `BAR`;
		}

		let count1 = 0;
		let count2 = 0;
	};


	suite.add("const letter = 'bar';", function () {
		const letter = 'bar';

		for (let i = 0, len = arr.length; i < len; i++) {
		    if ( letter === arr[i].toLowerCase() ) {
		        count1 += 1;
		    }
		}
	});

	suite.add("const regex = new RegExp('foo', 'i');", function () {
		const regex = new RegExp('foo', 'i');

		for (let i = 0, len = arr.length; i < len; i++) {
		    if (regex.test(arr[i])) {
		        count2 += 1;
		    }
		}
	});

	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("RegExp vs toLowerCase #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>RegExp vs toLowerCase #jsbench #jsperf</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 arr = new Array(10000);
	for (let i = 0; i < 10000; i++) {
	arr[i] = i % 2 === 0 ? `FOO` : `BAR`;
	}

	let count1 = 0;
	let count2 = 0;
	};


	suite.add("const letter = 'bar';", function () {
	const letter = 'bar';

	for (let i = 0, len = arr.length; i < len; i++) {
	if ( letter === arr[i].toLowerCase() ) {
	count1 += 1;
	}
	}
	});

	suite.add("const regex = new RegExp('foo', 'i');", function () {
	const regex = new RegExp('foo', 'i');

	for (let i = 0, len = arr.length; i < len; i++) {
	if (regex.test(arr[i])) {
	count2 += 1;
	}
	}
	});

	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("RegExp vs toLowerCase #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});