Olivers De Abreu oliversd

## const-demo.js
const speedOfLight=299792458; //m*s-1
try {
 speedOfLight=300; // this is not true!
} catch(error) {
 console.log(error); // TypeError: Assignment to constant variable.
 // Note - error messages will vary depending on browser
}
console.log(speedOfLight); // Expected output 299792458

## let-scope-demo.js
let date = new Date("2015–01–01");
let region = "US";
// Some were further in the code
if (region === "US") {
 let date = new Date();
 console.log("New date", date); // We get the current date as expected
}
console.log(date); //We get 2015–01–01T00:00:00.000Z as expected :)

## var-scope-issue.js
var date = new Date("2015–01–01");
var region = "US";
// Some were further in the code
if (region === "US") {
 var date = new Date();
 console.log("New date", date); // We get the current date as expected
}
console.log(date); //Expecting 2015–01–01T00:00:00.000Z but we get the current date

## index-uikit.html
<!DOCTYPE html>
<html>
	<head>
		<title></title>
		<link rel="stylesheet" href="css/uikit.min.css" />

	</head>
	<body>

  <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
	const speedOfLight=299792458; //m*s-1
	try {
	speedOfLight=300; // this is not true!
	} catch(error) {
	console.log(error); // TypeError: Assignment to constant variable.
	// Note - error messages will vary depending on browser
	}
	console.log(speedOfLight); // Expected output 299792458
	let date = new Date("2015–01–01");
	let region = "US";
	// Some were further in the code
	if (region === "US") {
	let date = new Date();
	console.log("New date", date); // We get the current date as expected
	}
	console.log(date); //We get 2015–01–01T00:00:00.000Z as expected :)
	var date = new Date("2015–01–01");
	var region = "US";
	// Some were further in the code
	if (region === "US") {
	var date = new Date();
	console.log("New date", date); // We get the current date as expected
	}
	console.log(date); //Expecting 2015–01–01T00:00:00.000Z but we get the current date
	<!DOCTYPE html>
	<html>
	<head>
	<title></title>
	<link rel="stylesheet" href="css/uikit.min.css" />

	</head>
	<body>

	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>