Examples of javaScript canvas implementing brush size, color, and eraser

Canvas, translated as "canvas" in Chinese, has a new element in HTML5, which can be combined with JavaScript to dynamically draw graphics in the canvas. In this article, we will share with you the javaScript canvas implementation (an example of brush size, color, and eraser). It has a good reference value and we hope it will be helpful to everyone.

The example is as follows:

 
 
 
 

 
 

 

 
 
 
 
 
 
 
  shape
  rectangle
  circle
  line
 

 
 
 
 
 

 
 
 

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