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# SimpleMDE - Markdown Editor A drop-in JavaScript textarea replacement for writing beautiful and understandable Markdown. The WYSIWYG-esque editor allows users who may be less experienced with Markdown to use familiar toolbar buttons and shortcuts. In addition, the syntax is rendered while editing to clearly show the expected result. Headings are larger, emphasized words are italicized, links are underlined, etc. SimpleMDE is one of the first editors to feature both built-in autosaving and spell checking. [**Demo**](https://simplemde.com) [](https://simplemde.com) ## Why not a WYSIWYG editor or pure Markdown? WYSIWYG editors that produce HTML are often complex and buggy. Markdown solves this problem in many ways, plus Markdown can be rendered natively on more platforms than HTML. However, Markdown is not a syntax that an average user will be familiar with, nor is it visually clear while editing. In otherwords, for an unfamiliar user, the syntax they write will make little sense until they click the preview button. SimpleMDE has been designed to bridge this gap for non-technical users who are less familiar with or just learning Markdown syntax. ## Install Via [npm](https://www.npmjs.com/package/simplemde). ``` npm install simplemde --save ``` Via [bower](https://www.bower.io). ``` bower install simplemde --save ``` Via [jsDelivr](https://www.jsdelivr.com/#!simplemde). *Please note, jsDelivr may take a few days to update to the latest release.* ```HTML <link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css"> <script src="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script> ``` ## Quick start After installing, load SimpleMDE on the first textarea on a page ```HTML <script> var simplemde = new SimpleMDE(); </script> ``` #### Using a specific textarea Pure JavaScript method ```HTML <script> var simplemde = new SimpleMDE({ element: document.getElementById("MyID") }); </script> ``` jQuery method ```HTML <script> var simplemde = new SimpleMDE({ element: $("#MyID")[0] }); </script> ``` ## Get/set the content ```JavaScript simplemde.value(); ``` ```JavaScript simplemde.value("This text will appear in the editor"); ``` ## Configuration - **autoDownloadFontAwesome**: If set to `true`, force downloads Font Awesome (used for icons). If set to `false`, prevents downloading. Defaults to `undefined`, which will intelligently check whether Font Awesome has already been included, then download accordingly. - **autofocus**: If set to `true`, autofocuses the editor. Defaults to `false`. - **autosave**: *Saves the text that's being written and will load it back in the future. It will forget the text when the form it's contained in is submitted.* - **enabled**: If set to `true`, autosave the text. Defaults to `false`. - **delay**: Delay between saves, in milliseconds. Defaults to `10000` (10s). - **uniqueId**: You must set a unique string identifier so that SimpleMDE can autosave. Something that separates this from other instances of SimpleMDE elsewhere on your website. - **blockStyles**: Customize how certain buttons that style blocks of text behave. - **bold** Can be set to `**` or `__`. Defaults to `**`. - **code** Can be set to ```` ``` ```` or `~~~`. Defaults to ```` ``` ````. - **italic** Can be set to `*` or `_`. Defaults to `*`. - **element**: The DOM element for the textarea to use. Defaults to the first textarea on the page. - **forceSync**: If set to `true`, force text changes made in SimpleMDE to be immediately stored in original textarea. Defaults to `false`. - **hideIcons**: An array of icon names to hide. Can be used to hide specific icons shown by default without completely customizing the toolbar. - **indentWithTabs**: If set to `false`, indent using spaces instead of tabs. Defaults to `true`. - **initialValue**: If set, will customize the initial value of the editor. - **insertTexts**: Customize how certain buttons that insert text behave. Takes an array with two elements. The first element will be the text inserted before the cursor or highlight, and the second element will be inserted after. For example, this is the default link value: `["[", "](http://)"]`. - horizontalRule - image - link - table - **lineWrapping**: If set to `false`, disable line wrapping. Defaults to `true`. - **parsingConfig**: Adjust settings for parsing the Markdown during editing (not previewing). - **allowAtxHeaderWithoutSpace**: If set to `true`, will render headers without a space after the `#`. Defaults to `false`. - **strikethrough**: If set to `false`, will not process GFM strikethrough syntax. Defaults to `true`. - **underscoresBreakWords**: If set to `true`, let underscores be a delimiter for separating words. Defaults to `false`. - **placeholder**: Custom placeholder that should be displayed - **previewRender**: Custom function for parsing the plaintext Markdown and returning HTML. Used when user previews. - **promptURLs**: If set to `true`, a JS alert window appears asking for the link or image URL. Defaults to `false`. - **renderingConfig**: Adjust settings for parsing the Markdown during previewing (not editing). - **singleLineBreaks**: If set to `false`, disable parsing GFM single line breaks. Defaults to `true`. - **codeSyntaxHighlighting**: If set to `true`, will highlight using [highlight.js](https://github.com/isagalaev/highlight.js). Defaults to `false`. To use this feature you must include highlight.js on your page. For example, include the script and the CSS files like:<br>`<script src="https://cdn.jsdelivr.net/highlight.js/latest/highlight.min.js"></script>`<br>`<link rel="stylesheet" href="https://cdn.jsdelivr.net/highlight.js/latest/styles/github.min.css">` - **shortcuts**: Keyboard shortcuts associated with this instance. Defaults to the [array of shortcuts](#keyboard-shortcuts). - **showIcons**: An array of icon names to show. Can be used to show specific icons hidden by default without completely customizing the toolbar. - **spellChecker**: If set to `false`, disable the spell checker. Defaults to `true`. - **status**: If set to `false`, hide the status bar. Defaults to the array of built-in status bar items. - Optionally, you can set an array of status bar items to include, and in what order. You can even define your own custom status bar items. - **styleSelectedText**: If set to `false`, remove the `CodeMirror-selectedtext` class from selected lines. Defaults to `true`. - **tabSize**: If set, customize the tab size. Defaults to `2`. - **toolbar**: If set to `false`, hide the toolbar. Defaults to the [array of icons](#toolbar-icons). - **toolbarTips**: If set to `false`, disable toolbar button tips. Defaults to `true`. ```JavaScript // Most options demonstrate the non-default behavior var simplemde = new SimpleMDE({ autofocus: true, autosave: { enabled: true, uniqueId: "MyUniqueID", delay: 1000, }, blockStyles: { bold: "__", italic: "_" }, element: document.getElementById("MyID"), forceSync: true, hideIcons: ["guide", "heading"], indentWithTabs: false, initialValue: "Hello world!", insertTexts: { horizontalRule: ["", "\n\n-----\n\n"], image: ["![](http://", ")"], link: ["[", "](http://)"], table: ["", "\n\n| Column 1 | Column 2 | Column 3 |\n| -------- | -------- | -------- |\n| Text | Text | Text |\n\n"], }, lineWrapping: false, parsingConfig: { allowAtxHeaderWithoutSpace: true, strikethrough: false, underscoresBreakWords: true, }, placeholder: "Type here...", previewRender: function(plainText) { return customMarkdownParser(plainText); // Returns HTML from a custom parser }, previewRender: function(plainText, preview) { // Async method setTimeout(function(){ preview.innerHTML = customMarkdownPar