AviKav/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>for-of loop vs forEach</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 i,
		    value,
		    length,
		    values = [],
		    sum = 0,
		    context = values;


		for (i = 0; i < 10000; i++) {
		    values[i] = Math.random();
		}

		function add(val) {
		    sum += val;
		}

		values.referenceImplementation = (function(callback/*, thisArg*/) {

		    var T, k;

		    if (this == null) {
		      throw new TypeError('this is null or not defined');
		    }

		    // 1. Let O be the result of calling toObject() passing the
		    // |this| value as the argument.
		    var O = Object(this);

		    // 2. Let lenValue be the result of calling the Get() internal
		    // method of O with the argument "length".
		    // 3. Let len be toUint32(lenValue).
		    var len = O.length >>> 0;

		    // 4. If isCallable(callback) is false, throw a TypeError exception.
		    // See: http://es5.github.com/#x9.11
		    if (typeof callback !== 'function') {
		      throw new TypeError(callback + ' is not a function');
		    }

		    // 5. If thisArg was supplied, let T be thisArg; else let
		    // T be undefined.
		    if (arguments.length > 1) {
		      T = arguments[1];
		    }

		    // 6. Let k be 0.
		    k = 0;

		    // 7. Repeat while k < len.
		    while (k < len) {

		      var kValue;

		      // a. Let Pk be ToString(k).
		      //    This is implicit for LHS operands of the in operator.
		      // b. Let kPresent be the result of calling the HasProperty
		      //    internal method of O with argument Pk.
		      //    This step can be combined with c.
		      // c. If kPresent is true, then
		      if (k in O) {

		        // i. Let kValue be the result of calling the Get internal
		        // method of O with argument Pk.
		        kValue = O[k];

		        // ii. Call the Call internal method of callback with T as
		        // the this value and argument list containing kValue, k, and O.
		        callback.call(T, kValue, k, O);
		      }
		      // d. Increase k by 1.
		      k++;
		    }
		    // 8. return undefined.
		})
		Array.prototype.forLoopSimplePrototype = (function() {
		    for (i = 0; i < this.length; i++) {
		    }
		})


		 values.modifiedReferenceImplementation = (function(callback) {

		    var k = 0;
		    while (k < values.length) {
		            callback(values[k]);
		        k++;
		    }
		})
	};


	suite.add("values.forEach(()=>{})", function () {
		//values.forEach(()=>{})
		=
	});

	suite.add("for (i = 0; i < values.length; i++){}", function () {
		for (i = 0; i < values.length; i++){}
	});

	suite.add("for (value of values){}", function () {
		//for (value of values){}
		=
	});

	suite.add("values.referenceImplementation(()=>{})", function () {
		values.referenceImplementation(()=>{})
	});

	suite.add("values.forLoopSimplePrototype()", function () {
		//values.forLoopSimplePrototype()
		=
	});

	suite.add("var k = 0;", function () {
		var k = 0;
		while (k < values.length) {
		        (()=>{})(values[k]);
		    k++;
		}
	});

	suite.add("var k = 0;", function () {
		var k = 0;
		var length = values.length
		while (k < length) {
		        (()=>{})(values[k]);
		    k++;
		}
	});

	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("for-of loop vs forEach");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>for-of loop vs forEach</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 i,
	value,
	length,
	values = [],
	sum = 0,
	context = values;


	for (i = 0; i < 10000; i++) {
	values[i] = Math.random();
	}

	function add(val) {
	sum += val;
	}

	values.referenceImplementation = (function(callback/, thisArg/) {

	var T, k;

	if (this == null) {
	throw new TypeError('this is null or not defined');
	}

	// 1. Let O be the result of calling toObject() passing the
	// \|this\| value as the argument.
	var O = Object(this);

	// 2. Let lenValue be the result of calling the Get() internal
	// method of O with the argument "length".
	// 3. Let len be toUint32(lenValue).
	var len = O.length >>> 0;

	// 4. If isCallable(callback) is false, throw a TypeError exception.
	// See: http://es5.github.com/#x9.11
	if (typeof callback !== 'function') {
	throw new TypeError(callback + ' is not a function');
	}

	// 5. If thisArg was supplied, let T be thisArg; else let
	// T be undefined.
	if (arguments.length > 1) {
	T = arguments[1];
	}

	// 6. Let k be 0.
	k = 0;

	// 7. Repeat while k < len.
	while (k < len) {

	var kValue;

	// a. Let Pk be ToString(k).
	// This is implicit for LHS operands of the in operator.
	// b. Let kPresent be the result of calling the HasProperty
	// internal method of O with argument Pk.
	// This step can be combined with c.
	// c. If kPresent is true, then
	if (k in O) {

	// i. Let kValue be the result of calling the Get internal
	// method of O with argument Pk.
	kValue = O[k];

	// ii. Call the Call internal method of callback with T as
	// the this value and argument list containing kValue, k, and O.
	callback.call(T, kValue, k, O);
	}
	// d. Increase k by 1.
	k++;
	}
	// 8. return undefined.
	})
	Array.prototype.forLoopSimplePrototype = (function() {
	for (i = 0; i < this.length; i++) {
	}
	})


	values.modifiedReferenceImplementation = (function(callback) {

	var k = 0;
	while (k < values.length) {
	callback(values[k]);
	k++;
	}
	})
	};


	suite.add("values.forEach(()=>{})", function () {
	//values.forEach(()=>{})
	=
	});

	suite.add("for (i = 0; i < values.length; i++){}", function () {
	for (i = 0; i < values.length; i++){}
	});

	suite.add("for (value of values){}", function () {
	//for (value of values){}
	=
	});

	suite.add("values.referenceImplementation(()=>{})", function () {
	values.referenceImplementation(()=>{})
	});

	suite.add("values.forLoopSimplePrototype()", function () {
	//values.forLoopSimplePrototype()
	=
	});

	suite.add("var k = 0;", function () {
	var k = 0;
	while (k < values.length) {
	(()=>{})(values[k]);
	k++;
	}
	});

	suite.add("var k = 0;", function () {
	var k = 0;
	var length = values.length
	while (k < length) {
	(()=>{})(values[k]);
	k++;
	}
	});

	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("for-of loop vs forEach");
	console.log(new Array(30).join("-"));
	suite.run();
	});