JobLeonard/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>charAt vs charCodeAt hashmap #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 () {
		var base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

		var charDict = (function (){
		    var dict = {};
		    for (var i = 0; i < base64.length; i++){
		        dict[base64.charAt(i)] = i;
		    }
		    return dict;
		})();

		var charCodeDict = (function () {
		    var dict = {};
		    for (var i = 0; i < base64.length; i++){
		        dict[base64.charCodeAt(i)] = i;
		    }
		    return dict;
		})();

		var randomString = (function (){
		    var i = 100000, strArray = new Array(i);
		    while(i--){
		        strArray[i] = base64.charAt(Math.random(base64.length)|0);
		    }
		    return strArray.join('');
		})();

		var converted = 0
	};


	suite.add("charDict", function () {
		// charDict
		for (var i = 0; i < randomString.length; i++){
		    converted = charDict[randomString.charAt(i)];
		}
	});

	suite.add("charCodeDict", function () {
		// charCodeDict
		for (var i = 0; i < randomString.length; i++){
		    converted = charCodeDict[randomString.charCodeAt(i)];
		}
	});

	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("charAt vs charCodeAt hashmap #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>charAt vs charCodeAt hashmap #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 () {
	var base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

	var charDict = (function (){
	var dict = {};
	for (var i = 0; i < base64.length; i++){
	dict[base64.charAt(i)] = i;
	}
	return dict;
	})();

	var charCodeDict = (function () {
	var dict = {};
	for (var i = 0; i < base64.length; i++){
	dict[base64.charCodeAt(i)] = i;
	}
	return dict;
	})();

	var randomString = (function (){
	var i = 100000, strArray = new Array(i);
	while(i--){
	strArray[i] = base64.charAt(Math.random(base64.length)\|0);
	}
	return strArray.join('');
	})();

	var converted = 0
	};


	suite.add("charDict", function () {
	// charDict
	for (var i = 0; i < randomString.length; i++){
	converted = charDict[randomString.charAt(i)];
	}
	});

	suite.add("charCodeDict", function () {
	// charCodeDict
	for (var i = 0; i < randomString.length; i++){
	converted = charCodeDict[randomString.charCodeAt(i)];
	}
	});

	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("charAt vs charCodeAt hashmap #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});