Drag and Drop
Drag the book worm into the rectangle:

To make an element draggable, set the draggable attribute to true. Next, tell what should happen when the element is dragged.
SVG
See notes in js file
Drag the book worm into the rectangle:
To make an element draggable, set the draggable attribute to true. Next, tell what should happen when the element is dragged.
See notes in js file