Canvas path drawing and coordinate transformation application examples of html5_html5 tutorial skills

In the previous article, we learned about Canvas of html5. Needless to say, in this article, let’s try writing an html5 clock application. Here we mainly set up the translation (translate) and rotation transformation (ratate) of coordinate transformation, as well as the path drawing of html5 Canvas, beginPath, closePath, rect, arc, etc., as well as the saving and restoration of important drawing states of html5 Canvas path drawing. Mechanism, save, restore.
I won’t say much more, just go directly to the code. If you have any questions, you are welcome to ask questions and give me suggestions and advice.
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Code:

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