iLearning - D3.js Basic app for iPhone and iPad

iLearning D3.js is an interactive learning and coding App for D3.js. You can also use it as a html/javascript editor.
"i" means interactive.
D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS.
The function provided in this app is:
a) tutorial
A complete tutorials about the basic of D3.js.
b) editor
A functional editor for html, js and css. You can practice the code learned from the tutorials and check the result, to help you understand those function.
c) render result and console
You can render the html, js and css in web view. And input some js code in debugger tool like console in Chrome.