ijs - Interactive JavaScript

An environment for interactive authoring and executing JavaScript code using a
notebook metaphor, built on top of IPython.

An ijs notebook is powered by a javascript kernel written in node.js (and
replaces the standard python kernel). A kernel runs behind the scenes and
executes the code you write in notebooks. The notebook displays the outputs
generated by your code.

You can use node.js APIs, as well as the large library of node.js modules
in your notebooks. You can also author client-side HTML and JavaScript to
run code within the browser. JavaScript is truly universal!

!Hello World using node.js APIs and qr-image node module

Getting Started

You can use ijs by installing it as a node module, or via a pre-packaged
docker container.

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You can install the ijs node module globally and start the notebook
environment using the ijs command.

sudo npm install -g ijs
ijs

Then browse to http://localhost:9999.

The tool will create a notebooks directory within the specified working
directory.

Note: If you don't already have node.js and IPython installed, you'll need
to do so first. Unfortunately setting these up can be a bit involved. This page
might help: http://ipython.org/install.html ... as of right now ijs requires
IPython v2.4.1. Support for 3.x is coming.

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This avoids the need to go through the steps of getting a local setup. As
long as you've got a working docker setup (using boot2docker on a mac),
you're good to go. Just issue the following commands:

docker pull nikhilk/ijs
docker run -i -p 9999:9999 -v :/data -t nikhilk/ijs

And then browse to http://localhost:9999 and you're on your way.

Screenshots

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Lots of node.js APIs are async, and you can write async code in notebook
cells too!
!Hello World - Async Edition

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JSON is everywhere, and you can use a %%json cell to easily declare
JSON data. The notebook provides auto-complete functionality which extends
to this JSON data.
!JSON Data

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You can use the notebook interface to experiment with HTTP APIs using the
HTTP client provided by request node module.
!HTTP Requests

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You can easily add HTML markup to your notebook using an %%html cell
and client-script using a %%script block to use a variety of javascript
libraries such as d3.js.
!HTML, JavaScript, d3.js