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Small drawing application illustrates JavaScript/HTML5 techniques

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One example I used in my JavaScript/HTML5 programming course ( ) was a rather crude drawing program, grDraw. An exercise at the end of the course suggests some improvements to make.

My own improved version can be found at

I mention it because it includes some things that may be useful to other developers such as

- a colour palette object which may help beginners to understand CSS colours

- browsing to display a user's images and get spot colours from them

- saving images in local storage and retrieving them (not as difficult as I first imagined)

An example display can be seen below - echoes of Kandinsky?



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