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12. Permutation of Elements in the Page

Chapter 12. Permutation of Elements in the Page

Moving items to insert them elsewhere in the page has become indispensable in current web applications. Users move elements visually by dragging with the mouse, and the system automatically inserts the moved items. Here, everything is handled internally by jQuery UI, which provides us the mechanism that implements this functionality.

Here we call this operation a permutation, because the moved element leaves its place, while the destination (the location where the element is deposited) expands to allow the insertion of the new element.


  

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