html5 uses gravity sensing to realize shaking to change colors, which can be used for lottery draws, etc._html5 tutorial skills

I found a case on the Internet, which is used to change colors by shaking. It is very easy to use. However, after testing, you need to pay attention to the following:

1. You must have ios or Android 4.0 or above to achieve this. Functional application.

2. If you add the z coordinate judgment, the screen will change color randomly. It is probably too sensitive...or the correct usage is not found. I hope everyone can correct me

3. With slight modifications to this function, it can be turned into a lottery method, which is more fashionable than big carousels and scratch cards, haha

Copy Code

The code is as follows: