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Solution to the problem of html5 canvas fillRect coordinates and size_html5 tutorial skills

WBOY
Release： 2016-05-16 15:48:22
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fillRect(100,100,100,100) The first two 100s refer to the coordinates, and the last two 100s refer to the width and height.

Today I was learning HTML5 canvas and found that the coordinates and size of fillRect were always wrong. After studying for a long time, I found that the width and height of canvas must be inline in the canvas tag. I was depressed for a long time.

Wrong way 1:

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The code is as follows:





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