dmoralesm/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>Array.unique implementation</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 () {
		Array.prototype.random = function(n) {
		  var arr = []
		  for(var i = 0; i < n; i++) {
		    arr.push(parseInt(Math.random() * 1000))
		  }
		  return arr
		}

		var myArr = [].random(100000)
	};


	suite.add("Array.prototype.unique = function() {", function () {
		Array.prototype.unique = function() {
		  var uniqueArr = [this[0]]
		  for(var i = 1; i < this.length - 1; i++) {
		    if(uniqueArr.indexOf(this[i]) == -1) {
		      uniqueArr.push(this[i])
		    }
		  }
		  return uniqueArr
		}

		console.log(myArr.unique())
	});

	suite.add("Array.prototype.unique = function() {", function () {
		Array.prototype.unique = function() {
		  var obj = {}, unique = []
		  for(var i = 0; i < this.length - 1; i++) {
		    if(!obj[i]) {
		      obj[this[i]] = true
		      unique.push(this[i])
		    }
		  }
		  return unique
		}

		console.log(myArr.unique())
	});

	suite.add("console.log([...new Set(myArr)]) // ES6", function () {
		console.log([...new Set(myArr)]) // ES6
	});

	suite.add("Array.prototype.unique = function() {", function () {
		Array.prototype.unique = function() {
		  return this.filter(function(value, index, origArr) {
		    return origArr.indexOf(value) ===  index
		  })
		}

		console.log(myArr.unique())
	});

	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("Array.unique implementation");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>Array.unique implementation</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 () {
	Array.prototype.random = function(n) {
	var arr = []
	for(var i = 0; i < n; i++) {
	arr.push(parseInt(Math.random() * 1000))
	}
	return arr
	}

	var myArr = [].random(100000)
	};


	suite.add("Array.prototype.unique = function() {", function () {
	Array.prototype.unique = function() {
	var uniqueArr = [this[0]]
	for(var i = 1; i < this.length - 1; i++) {
	if(uniqueArr.indexOf(this[i]) == -1) {
	uniqueArr.push(this[i])
	}
	}
	return uniqueArr
	}

	console.log(myArr.unique())
	});

	suite.add("Array.prototype.unique = function() {", function () {
	Array.prototype.unique = function() {
	var obj = {}, unique = []
	for(var i = 0; i < this.length - 1; i++) {
	if(!obj[i]) {
	obj[this[i]] = true
	unique.push(this[i])
	}
	}
	return unique
	}

	console.log(myArr.unique())
	});

	suite.add("console.log([...new Set(myArr)]) // ES6", function () {
	console.log([...new Set(myArr)]) // ES6
	});

	suite.add("Array.prototype.unique = function() {", function () {
	Array.prototype.unique = function() {
	return this.filter(function(value, index, origArr) {
	return origArr.indexOf(value) === index
	})
	}

	console.log(myArr.unique())
	});

	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("Array.unique implementation");
	console.log(new Array(30).join("-"));
	suite.run();
	});