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| 1 | <!DOCTYPE html> | |
| 2 | ||
| 3 | <html> | |
| 4 | <head> | |
| 5 | <title>Expanding textarea</title> | |
| 6 | ||
| 7 | <style> | |
| 8 | textarea, pre {
| |
| 9 | border: 0; | |
| 10 | margin: 0; | |
| 11 | outline: 0; | |
| 12 | padding: 0; | |
| 13 | } | |
| 14 | ||
| 15 | .expanding {
| |
| 16 | border: 1px solid #666; | |
| 17 | position: relative; | |
| 18 | width: 615px; | |
| 19 | } | |
| 20 | ||
| 21 | .expanding > pre, | |
| 22 | .expanding > textarea {
| |
| 23 | background: transparent; | |
| 24 | min-height: 100px; | |
| 25 | padding: 2px; | |
| 26 | white-space: pre-wrap; | |
| 27 | word-wrap: break-word; | |
| 28 | } | |
| 29 | ||
| 30 | .expanding > textarea {
| |
| 31 | width: 100%; | |
| 32 | height: 100px; | |
| 33 | } | |
| 34 | ||
| 35 | .expanding > pre {
| |
| 36 | display: none; | |
| 37 | } | |
| 38 | ||
| 39 | .expanding.active > textarea {
| |
| 40 | height: 100%; | |
| 41 | left: 0; | |
| 42 | overflow: hidden; | |
| 43 | position: absolute; | |
| 44 | resize: none; | |
| 45 | top: 0; | |
| 46 | } | |
| 47 | ||
| 48 | .expanding.active > pre {
| |
| 49 | display: block; | |
| 50 | visibility: hidden; | |
| 51 | } | |
| 52 | </style> | |
| 53 | ||
| 54 | <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script> | |
| 55 | ||
| 56 | <script type="text/javascript"> | |
| 57 | function makeExpanding(cont) | |
| 58 | {
| |
| 59 | cont.addClass('active');
| |
| 60 | cont.prepend('<pre><span></span><br></pre>');
| |
| 61 | var textarea = cont.children('textarea');
| |
| 62 | var span = cont.find('span');
| |
| 63 | ||
| 64 | textarea.bind('input', function(){
| |
| 65 | span.text(textarea.val()); | |
| 66 | }); | |
| 67 | ||
| 68 | } | |
| 69 | $(document).ready(function(){
| |
| 70 | makeExpanding($('.expanding'));
| |
| 71 | }); | |
| 72 | </script> | |
| 73 | ||
| 74 | </head> | |
| 75 | ||
| 76 | <body> | |
| 77 | ||
| 78 | - | <pre><span></span><br></pre> |
| 78 | + | |
| 79 | ||
| 80 | <textarea>dadas</textarea> | |
| 81 | </div> | |
| 82 | ||
| 83 | </body> | |
| 84 | </html> | |
| 85 | ||
| 86 |
