How does HTML5 draw a rectangle with color and transparency for the color of a shape chart?-html5 tutorial-

FillStyle and strokeStyle are two important attributes for the color of the Shape chart. The following describes how to draw a rectangle with color and transparency in HTML5. For more information, see 1. Customize the paint brush Style

To set the color of a shape chart, use the following two important attributes.

FillStyle: Set the default colors for all fill operations.
StrokeStyle: Set the default color of all stroke operations.

2. Draw a rectangle with color and transparency

The Code is as follows:

HTML5