CHAPTER 7

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Drag and Drop

Drag and Drop (DnD) is a prominent feature in modern web applications. Various UI controls in a web page can be dragged, moved around, and dropped in different spots effortlessly, thus saving a number of mouse click operations. A number of JavaScript libraries provide their own APIs for implementing the drag and drop behavior. DnD is now a part of the standard HTML 5 specification as well.

Ext JS 4 provides a well-structured API for implementing DnD behavior. You can use the Ext JS 4 API to incorporate a DnD facility in your applications easily. You can make any UI control draggable and able to be dropped to any type of ...

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