<!doctype html> <title>CodeMirror: Autoresize Demo</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/css/css.js"></script> <style type="text/css"> .CodeMirror { border: 1px solid #eee; height: auto; } .CodeMirror-scroll { overflow-y: hidden; overflow-x: auto; } </style> <div id=nav> <a href="http://codemirror.net"><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/marijnh/codemirror">Code</a> </ul> <ul> <li><a class=active href="#">Autoresize</a> </ul> </div> <article> <h2>Autoresize Demo</h2> <form><textarea id="code" name="code"> .CodeMirror { border: 1px solid #eee; height: auto; } .CodeMirror-scroll { overflow-y: hidden; overflow-x: auto; } </textarea></form> <p>By setting a few CSS properties, and giving the <a href="../doc/manual.html#option_viewportMargin"><code>viewportMargin</code></a> a value of <code>Infinity</code>, CodeMirror can be made to automatically resize to fit its content.</p> <script> var editor = CodeMirror.fromTextArea(document.getElementById("code"), { lineNumbers: true, viewportMargin: Infinity }); </script> </article>