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<!doctype html>
<title>CodeMirror 5</title><meta charset="utf-8"/>
<link rel=stylesheet href="lib/codemirror.css"><link rel=stylesheet href="doc/docs.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><script src="addon/edit/matchbrackets.js"></script>
<script src="doc/activebookmark.js"></script>
<style> .CodeMirror { height: auto; border: 1px solid #ddd; } .CodeMirror-scroll { max-height: 200px; } .CodeMirror pre { padding-left: 7px; line-height: 1.25; } .banner { background: #ffc; padding: 6px; border-bottom: 2px solid silver; text-align: center }</style>
<div class=banner> Note that this is the website for CodeMirror 5. <a href="https://codemirror.net/">Version 6</a> is the current version.</div>
<div id=nav> <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="doc/logo.png"></a>
<ul> <li><a class=active data-default="true" href="#description">Home</a> <li><a href="doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror5">Code</a> <li><a href="https://codemirror.net/">Version 6</a> </ul> <ul> <li><a href="#features">Features</a> <li><a href="#community">Community</a> <li><a href="#browsersupport">Browser support</a> </ul></div>
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<section id=description class=first> <p><strong>CodeMirror</strong> is a versatile text editor implemented in JavaScript for the browser. It is specialized for editing code, and comes with a number of <a href="mode/index.html">language modes</a> and <a href="doc/manual.html#addons">addons</a> that implement more advanced editing functionality.</p>
<p>A rich <a href="doc/manual.html#api">programming API</a> and a CSS <a href="doc/manual.html#styling">theming</a> system are available for customizing CodeMirror to fit your application, and extending it with new functionality.</p></section>
<section id=demo> <h2>This is CodeMirror</h2> <form style="position: relative; margin-top: .5em;"><textarea id=demotext><!-- Create a simple CodeMirror instance --><link rel="stylesheet" href="lib/codemirror.css"><script src="lib/codemirror.js"></script><script> var editor = CodeMirror.fromTextArea(myTextarea, { lineNumbers: true });</script></textarea> <select id="demolist" onchange="document.location = this.options[this.selectedIndex].value;"> <option value="#">Other demos...</option> <option value="demo/complete.html">Autocompletion</option> <option value="demo/folding.html">Code folding</option> <option value="demo/theme.html">Themes</option> <option value="mode/htmlmixed/index.html">Mixed language modes</option> <option value="demo/bidi.html">Bi-directional text</option> <option value="demo/variableheight.html">Variable font sizes</option> <option value="demo/search.html">Search interface</option> <option value="demo/vim.html">Vim bindings</option> <option value="demo/emacs.html">Emacs bindings</option> <option value="demo/sublime.html">Sublime Text bindings</option> <option value="demo/tern.html">Tern integration</option> <option value="demo/merge.html">Merge/diff interface</option> <option value="demo/fullscreen.html">Full-screen editor</option> <option value="demo/simplescrollbars.html">Custom scrollbars</option> </select></form> <script> var editor = CodeMirror.fromTextArea(document.getElementById("demotext"), { lineNumbers: true, mode: "text/html", matchBrackets: true }); </script>
<div class=actions> Get the current version: <a href="https://codemirror.net/5/codemirror.zip">5.65.16</a>.<br> You can see the <a href="https://github.com/codemirror/codemirror5" title="GitHub repository">code</a>,<br> read the <a href="doc/releases.html">release notes</a>,<br> or study the <a href="doc/manual.html">user manual</a>. </div>
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<section id=features> <h2>Features</h2> <ul> <li>Support for <a href="mode/index.html">over 100 languages</a> out of the box <li>A powerful, <a href="mode/htmlmixed/index.html">composable</a> language mode <a href="doc/manual.html#modeapi">system</a> <li><a href="doc/manual.html#addon_show-hint">Autocompletion</a> (<a href="demo/xmlcomplete.html">XML</a>) <li><a href="doc/manual.html#addon_foldcode">Code folding</a> <li><a href="doc/manual.html#option_extraKeys">Configurable</a> keybindings <li><a href="demo/vim.html">Vim</a>, <a href="demo/emacs.html">Emacs</a>, and <a href="demo/sublime.html">Sublime Text</a> bindings <li><a href="doc/manual.html#addon_search">Search and replace</a> interface <li><a href="doc/manual.html#addon_matchbrackets">Bracket</a> and <a href="doc/manual.html#addon_matchtags">tag</a> matching <li>Support for <a href="demo/buffers.html">split views</a> <li><a href="doc/manual.html#addon_lint">Linter integration</a> <li><a href="demo/variableheight.html">Mixing font sizes and styles</a> <li><a href="demo/theme.html">Various themes</a> <li>Able to <a href="demo/resize.html">resize to fit content</a> <li><a href="doc/manual.html#mark_replacedWith">Inline</a> and <a href="doc/manual.html#addLineWidget">block</a> widgets <li>Programmable <a href="demo/marker.html">gutters</a> <li>Making ranges of text <a href="doc/manual.html#markText">styled, read-only, or atomic</a> <li><a href="demo/bidi.html">Bi-directional text</a> support <li>Many other <a href="doc/manual.html#api">methods</a> and <a href="doc/manual.html#addons">addons</a>... </ul></section>
<section id=community> <h2>Community</h2>
<p>CodeMirror is an open-source project shared under an <a href="LICENSE">MIT license</a>. It is the editor used in the dev tools for <a href="https://hacks.mozilla.org/2013/11/firefox-developer-tools-episode-27-edit-as-html-codemirror-more/">Firefox</a>, <a href="https://developers.google.com/chrome-developer-tools/">Chrome</a>, and <a href="https://developer.apple.com/safari/tools/">Safari</a>, in <a href="http://www.lighttable.com/">Light Table</a>, <a href="http://brackets.io/">Adobe Brackets</a>, <a href="http://blog.bitbucket.org/2013/05/14/edit-your-code-in-the-cloud-with-bitbucket/">Bitbucket</a>, and <a href="doc/realworld.html">many other projects</a>.</p>
<p>Development and bug tracking happens on <a href="https://github.com/codemirror/CodeMirror/">github</a> (<a href="http://marijnhaverbeke.nl/git/codemirror">alternate git repository</a>). Please <a href="https://codemirror.net/5/doc/reporting.html">read these pointers</a> before submitting a bug. Use pull requests to submit patches. All contributions must be released under the same MIT license that CodeMirror uses.</p>
<p>Discussion around the project is done on a <a href="https://discuss.codemirror.net">discussion forum</a>. Announcements related to the project, such as new versions, are posted in the forum's <a href="https://discuss.codemirror.net/c/announce">"announce"</a> category. If needed, you can contact <a href="mailto:marijn@haverbeke.berlin">the maintainer</a> directly. We aim to be an inclusive, welcoming community. To make that explicit, we have a <a href="http://contributor-covenant.org/version/1/1/0/">code of conduct</a> that applies to communication around the project.</p></section>
<section id=browsersupport> <h2>Browser support</h2> <p>The <em>desktop</em> versions of the following browsers, in <em>standards mode</em> (HTML5 <code><!doctype html></code> recommended) are supported:</p> <table style="margin-bottom: 1em"> <tr><th>Firefox</th><td>version 4 and up</td></tr> <tr><th>Chrome</th><td>any version</td></tr> <tr><th>Safari</th><td>version 5.2 and up</td></tr> <tr><th style="padding-right: 1em;">Internet Explorer/Edge</th><td>version 8 and up</td></tr> <tr><th>Opera</th><td>version 9 and up</td></tr> </table> <p>Support for modern mobile browsers is experimental. Recent versions of the iOS browser and Chrome on Android should work pretty well.</p></section>
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