Created
February 20, 2011 01:09
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Shows the number of characters remaining in a textarea.
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| <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> |
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