thdoan/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Looping through object keys</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 obj = {
		  '1000056156': {
		    'type': 'master',
		    'dependencies': [
		      '1000056156011'
		    ]
		  },
		  '1000064647': {
		    'type': 'master',
		    'dependencies': [
		      '1000064647011'
		    ]
		  },
		  '1000064770': {
		    'type': 'master',
		    'dependencies': [
		      '1000064770011'
		    ]
		  }
		};
	};


	suite.add("for (const key in obj) {", function () {
		for (const key in obj) {
		  console.log(obj[key]);
		}
	});

	suite.add("for (const [key, value] of Object.entries(obj)) {", function () {
		for (const [key, value] of Object.entries(obj)) {
		  console.log(obj[key]);
		}
	});

	suite.add("Object.entries(obj).forEach(([key, value]) => {", function () {
		Object.entries(obj).forEach(([key, value]) => {
		  console.log(obj[key]);
		});
	});

	suite.add("Object.keys(obj).forEach((key) => {", function () {
		Object.keys(obj).forEach((key) => {
		  console.log(obj[key]);
		});
	});

	suite.add("let keys = Object.keys(obj);", function () {
		let keys = Object.keys(obj);
		for (let i=0; i<keys.length; ++i) {
		  console.log(obj[keys[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("Looping through object keys");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Looping through object keys</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 obj = {
	'1000056156': {
	'type': 'master',
	'dependencies': [
	'1000056156011'
	]
	},
	'1000064647': {
	'type': 'master',
	'dependencies': [
	'1000064647011'
	]
	},
	'1000064770': {
	'type': 'master',
	'dependencies': [
	'1000064770011'
	]
	}
	};
	};


	suite.add("for (const key in obj) {", function () {
	for (const key in obj) {
	console.log(obj[key]);
	}
	});

	suite.add("for (const [key, value] of Object.entries(obj)) {", function () {
	for (const [key, value] of Object.entries(obj)) {
	console.log(obj[key]);
	}
	});

	suite.add("Object.entries(obj).forEach(([key, value]) => {", function () {
	Object.entries(obj).forEach(([key, value]) => {
	console.log(obj[key]);
	});
	});

	suite.add("Object.keys(obj).forEach((key) => {", function () {
	Object.keys(obj).forEach((key) => {
	console.log(obj[key]);
	});
	});

	suite.add("let keys = Object.keys(obj);", function () {
	let keys = Object.keys(obj);
	for (let i=0; i<keys.length; ++i) {
	console.log(obj[keys[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("Looping through object keys");
	console.log(new Array(30).join("-"));
	suite.run();
	});