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Dojo: Using the Dojo JavaScript Library to Build Ajax Applications by James E. Harmon

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Chapter 6. Introduction to Dojo Widgets

 

Pay no attention to that man behind the curtain!

 
 --The Wizard of Oz

We aren’t going to follow the advice of this quote. In this chapter we pull back the curtain on Dojo widgets and reveal their secret inner life. It is a life of purpose and utility achieved with simplicity and yet, like a duck furiously paddling just beneath the water line, there is lots going on under the surface. We explore the internal workings of Dojo widgets and acquire a foundation of knowledge for using them effectively.

What Are Widgets?

Describing exactly what a widget is (and isn’t) turned out to be harder to do than I thought it would be at first. As I did a little research I came across a wonderful definition in, of all places, ...

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