<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
</head>
<body>
</body>
</html>
/* Get Programming with JavaScript
* Listing 2.11
* Declaring and assigning a constant with const
*/
// declare a variable that may change
let playerLocation = "The Dungeon";
// declare a variable that won't change
const playerName = "Kandra";
console.log(playerName + " is in " + playerLocation);
// assign a new value
playerLocation = "The Old Library";
console.log(playerName + " is in " + playerLocation);
/* Further Adventures
*
* 1) Try assigning a new value to playerName.
*
* Variables declared with const must be assigned
* a value when they are declared. They cannot
* have a new value assigned to them later.
*
* 2) Try separating the declaration of playerName
* from its first assignment.
*
* const playerName;
* playerName = "Kandra";
*
*/
Output
You can jump to the latest bin by adding /latest
to your URL
Keyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |