Created
February 20, 2011 01:09
-
-
Save EvanKrall/835574 to your computer and use it in GitHub Desktop.
Shows the number of characters remaining in a textarea.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <html> | |
| <head> | |
| <style> | |
| .empty { | |
| color: green; | |
| } | |
| .almostfull { | |
| color: yellow; | |
| } | |
| .full { | |
| color: red; | |
| } | |
| </style> | |
| <script src="http://code.jquery.com/jquery-1.5.min.js"></script> | |
| <script> | |
| $(document).ready(function() { | |
| var maxChars = 140; | |
| var field = $('#field'); | |
| var counter = $('#counter'); | |
| var handler = function(event) { | |
| var remainingChars = maxChars - field.val().length; | |
| counter.text(remainingChars); | |
| if (remainingChars >= maxChars/2) { | |
| counter.attr('class', 'empty'); | |
| } else if (remainingChars >= 0) { | |
| counter.attr('class', 'almostfull'); | |
| } else { | |
| counter.attr('class', 'full'); | |
| } | |
| }; | |
| field.keydown(handler).keyup(handler); | |
| handler(); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <textarea id="field"></textarea> | |
| <span id="counter" /> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
This won't update if you modify the text without using the keyboard.