HTML5 drawing a rectangle with color and transparency

Ching

Original address: http://blog.csdn.net/qingdujun/article/details/33341413

One, custom brush style

If you want to color on a shape chart, you need to use the following two important attributes.

• FillStyle: Sets the default color for all fill operations.
• Strokestyle: Sets the default color for all stroke operations.

Second, draw a rectangle with color and transparency

<! DOCTYPE html>
Third, the effect of drawing


References: (India) Xiang Card (SHANKAR,A.R.) (author). She Guanglei (translator). HTML5 Game Development Advanced Guide [M]. Beijing: Electronic industry Press, 2013.8-9.