HTML and CSS Reference
In-Depth Information
Figure G.1. The jsFiddle web app allows you to quickly write HTML, CSS, and JavaScript code and see a preview
of the result, all in a single browser window.
To use jsFiddle, simply visit —you don't even need an account. Check out
the examples to get an idea of some of the neat things you can do with this excellent tool.
G.2.7. Feature support websites
For information on the current implementation status of new features, there are a couple of
useful websites:
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