wooandoo/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>functor vs local variable #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 functor = (value) => {
		    return {
		        map: (fn) => functor(fn(value)),
		        value: () => value
		    }
		}

		class Functor {
		    constructor(value) {
		        this.value
		    }

		    map(fn) {
		        return new Functor(fn(this.value))
		    }

		    value() {
		        return this.value
		    }
		}

		const fn1 = (value) => value +1
		const fn2 = (value) => value *2
	};


	suite.add("const temp_value = fn1(10)", function () {
		const temp_value = fn1(10)
		fn2(temp_value)
	});

	suite.add("functor(10)", function () {
		functor(10)
		.map(fn1)
		.map(fn2)
		.value()
	});

	suite.add("new Functor(10)", function () {
		new Functor(10)
		.map(fn1)
		.map(fn2)
		.value()
	});

	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("functor vs local variable #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>functor vs local variable #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 functor = (value) => {
	return {
	map: (fn) => functor(fn(value)),
	value: () => value
	}
	}

	class Functor {
	constructor(value) {
	this.value
	}

	map(fn) {
	return new Functor(fn(this.value))
	}

	value() {
	return this.value
	}
	}

	const fn1 = (value) => value +1
	const fn2 = (value) => value *2
	};


	suite.add("const temp_value = fn1(10)", function () {
	const temp_value = fn1(10)
	fn2(temp_value)
	});

	suite.add("functor(10)", function () {
	functor(10)
	.map(fn1)
	.map(fn2)
	.value()
	});

	suite.add("new Functor(10)", function () {
	new Functor(10)
	.map(fn1)
	.map(fn2)
	.value()
	});

	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("functor vs local variable #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});