Chapter 3. Interaction
Chances are good that you aspire to create something beyond the kindergarten-level shapes we covered in the previous chapter. Don’t worry—Raphael handles complex shapes just fine (that was originally the subject of this chapter). But I wanted to skip straight to the interactive aspect of Raphael because it’s what makes the library so incredibly powerful. You can make as beautiful an image in Photoshop as you like, but you need Raphael to make it dance on demand.
You may recall that, at the end of the braille example in the previous chapter, we created an input box and a button to trigger the function that drew the dots. It looked like this:
"Raphael is great"
// make the braille
// click event to invoke function
When we want to control our Raphael objects from the page using regular old HTML objects—buttons, dropdown menus, check boxes, radio buttons—then this is how we do it: ...