Lodin/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>for each vs filter map #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 array = Array.from({length: 100000}, (_, i) => i % 4 === 0 ? `str${i}` : i * 45);
	};


	suite.add("const res = [];", function () {
		const res = [];

		array.forEach((el) => {
		    if (typeof el !== 'string') {
		        res.push({[el]: el});
		    }
		});
	});

	suite.add("const res = array", function () {
		const res = array
		    .filter(el => typeof el !== 'string')
		    .map(el => ({[el]: el}));
	});

	suite.add("const res = [];", function () {
		const res = [];

		for (let i = 0, len = array.length; i < len; i++) {
		    if (typeof array[i] !== 'string') {
		        res.push({[array[i]]: array[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("for each vs filter map #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>for each vs filter map #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 array = Array.from({length: 100000}, (_, i) => i % 4 === 0 ? `str${i}` : i * 45);
	};


	suite.add("const res = [];", function () {
	const res = [];

	array.forEach((el) => {
	if (typeof el !== 'string') {
	res.push({[el]: el});
	}
	});
	});

	suite.add("const res = array", function () {
	const res = array
	.filter(el => typeof el !== 'string')
	.map(el => ({[el]: el}));
	});

	suite.add("const res = [];", function () {
	const res = [];

	for (let i = 0, len = array.length; i < len; i++) {
	if (typeof array[i] !== 'string') {
	res.push({[array[i]]: array[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("for each vs filter map #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});