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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 400,000 packages pre-installed, including dr-markdown with all npm packages installed. Try it out:

dr-markdown lists no main file and has no index.js, so it can't be directly required. If this is a mistake, please let us know. It may however contain internal files that you can require manually:

// require("dr-markdown/[??]")

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dr-markdown v0.1.1

Markdown editor based on CodeMirror and Showdown

Dr. Markdown

Web based markdown editor.


Type markdown on the left and a nice formated document will come out on the right.

You can toggle diffrent modes by clicking in the right and left margins.

There are some buttons for printing, getting a perma-link and downloading as text on the left side. On the right there are buttons for showing table of content and adding auto indexing.


  • Ctrl-Alt-X write mode
  • Ctrl-Alt-C side by side mode
  • Ctrl-Alt-V preview mode
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