| <!doctype html> |
|
|
| <title>CodeMirror: HTML5 preview</title> |
| <meta charset="utf-8"/> |
| <link rel=stylesheet href="../doc/docs.css"> |
|
|
| <link rel=stylesheet href=../lib/codemirror.css> |
| <script src=../lib/codemirror.js></script> |
| <script src=../mode/xml/xml.js></script> |
| <script src=../mode/javascript/javascript.js></script> |
| <script src=../mode/css/css.js></script> |
| <script src=../mode/htmlmixed/htmlmixed.js></script> |
| <style type=text/css> |
| .CodeMirror { |
| float: left; |
| width: 50%; |
| border: 1px solid black; |
| } |
| iframe { |
| width: 49%; |
| float: left; |
| height: 300px; |
| border: 1px solid black; |
| border-left: 0px; |
| } |
| </style> |
| <div id=nav> |
| <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> |
|
|
| <ul> |
| <li><a href="../index.html">Home</a> |
| <li><a href="../doc/manual.html">Manual</a> |
| <li><a href="https://github.com/codemirror/codemirror">Code</a> |
| </ul> |
| <ul> |
| <li><a class=active href="#">HTML5 preview</a> |
| </ul> |
| </div> |
|
|
| <article> |
| <h2>HTML5 preview</h2> |
|
|
| <textarea id=code name=code> |
| <!doctype html> |
| <html> |
| <head> |
| <meta charset=utf-8> |
| <title>HTML5 canvas demo</title> |
| <style>p {font-family: monospace;}</style> |
| </head> |
| <body> |
| <p>Canvas pane goes here:</p> |
| <canvas id=pane width=300 height=200></canvas> |
| <script> |
| var canvas = document.getElementById('pane'); |
| var context = canvas.getContext('2d'); |
| |
| context.fillStyle = 'rgb(250,0,0)'; |
| context.fillRect(10, 10, 55, 50); |
| |
| context.fillStyle = 'rgba(0, 0, 250, 0.5)'; |
| context.fillRect(30, 30, 55, 50); |
| </script> |
| </body> |
| </html></textarea> |
| <iframe id=preview></iframe> |
| <script> |
| var delay; |
| |
| var editor = CodeMirror.fromTextArea(document.getElementById('code'), { |
| mode: 'text/html' |
| }); |
| editor.on("change", function() { |
| clearTimeout(delay); |
| delay = setTimeout(updatePreview, 300); |
| }); |
| |
| function updatePreview() { |
| var previewFrame = document.getElementById('preview'); |
| var preview = previewFrame.contentDocument || previewFrame.contentWindow.document; |
| preview.open(); |
| preview.write(editor.getValue()); |
| preview.close(); |
| } |
| setTimeout(updatePreview, 300); |
| </script> |
| </article> |
|
|
