Breaks the Wall between writing and preview, in a Markdown Editor.
Online Demo | Examples | Documentation
// npm install --save hypermd codemirror
var HyperMD = require('hypermd')
var myTextarea = document.getElementById('input-area')
var editor = HyperMD.fromTextArea(myTextarea)
Also for RequireJS, Parcel, webpack, plain browser env. Read the Doc
HyperMD is a set of CodeMirror add-ons / modes / themes / commands / keymap etc.
You may use both original CodeMirror and HyperMD on the same page.
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Regular Markdown blocks and elements
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Strong, Emphasis,
Strikethrough,Code - Links, Images
- Title / Quote / Code Block / List / Horizontal Rule
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Strong, Emphasis,
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Markdown Extension
- Simple Table
- Footnote 1
- TODO List (the box is clickable)
- YAML Front Matter
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$\LaTeX$ Formula, inline or block display mode 2 - Emoji:
:joy:=> 😂 (also support custom emoji)
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And more
- HTML in Markdown -- WYSIWIG MDX is possible
- #hashtag support 3 , see demo
- Flowchart and Diagrams (mermaid or flowchart.js)
- Upload Images and files via clipboard, or drag'n'drop
- Alt+Click to open link / jump to footnote 1
- Hover to read footnotes
- Copy and Paste, translate HTML into Markdown 4
- Easy and ready-to-use Key-bindings (aka. KeyMap)
- Syntax Highlight for code blocks, supports 120+ languages5. Mode can be loaded on-demand.
- Configurable key-bindings
- Diff and Merge
- Themes 6
- Almost all of CodeMirror addons!
- Use PowerPacks to integrate 3rd-party libs and services on-the-fly
- MathJax, marked, KaTeX and more.
- Read the list
- HyperMD functions are highly modulized
- Table
- Enter Create a table with
| column | line | - Enter Insert new row, or finish a table (if last row is empty)
- Tab or Shift-Tab to navigate between cells
- Enter Create a table with
- List
- Tab or Shift-Tab to indent/unindent current list item
- Formatting a nearby word (or selected text)
- Ctrl+B bold
- Ctrl+I emphasis
- Ctrl+D
strikethrough
💎 Service and Resource
|
IcoMoon - The IconPack(Free Version) Demo Page uses IcoMoon icons. Related files are stored in demo/svgicon. |
CodeCogs - An Open Source Scientific Library FoldMath uses codecogs' service as the default TeX MathRenderer. (You may load PowerPack to use other renderer, eg. KaTeX or MathJax) |
|
SM.MS - A Free Image Hosting service Demo Page and PowerPack/insert-file-with-smms use SM.MS open API to upload user-inserted images. (If you want to integrate SM.MS service, use the PowerPack) |
EmojiOne - Open emoji icons Demo Page and PowerPack/fold-emoji-with-emojione use Emoji icons provided free by EmojiOne (free license) (You may use other alternatives, eg. twemoji from twitter) |
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CodeMirror - In-browser code editor. RequireJS - A JavaScript AMD module loader. KaTeX - The fastest math typesetting library for the web. marked, turndown and more remarkable libs. |
🌟 Sponsors
 |
🙏 Sponsors (sorted by date)
HyperMD is a personal Open-Source project by laobubu. Contributions are welcomed. You may:
- Fork on GitHub , create your amazing themes and add-ons.
- Buy me a Coffee
- Spread HyperMD to the world!
Footnotes
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Ctrl+Click works too, but will jump to the footnote if exists. ↩ ↩2
-
Math block use
$$to wrap your TeX expression. ↩ -
Disabled by default, see doc; #use two hash symbol# if tag name contains spaces. ↩
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Use
Ctrl+Shift+Vto paste plain text. ↩ -
Languages as many as CodeMirror supports. ↩
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If the theme is not designed for HyperMD, some features might not be present. ↩
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent