November 2011
Intermediate to advanced
384 pages
13h 23m
English
Content preview from HTML5: Your visual blueprint™ for designing rich web pages and applications
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VISUALLY ENHANCE THE DRAG-AND-DROP EXPERIENCE
With a working drag-and-drop interface, you can visually spice up the click, drag, and drop actions performed by the user. This, like all other cosmetic changes to HTML, happens in the realm of CSS:
| Event | Effect |
| dragstart | Applies the hide class; use setDragImage() to set an image under the mouse cursor. |
| dragenter | Applies the hover class. |
| dragleave | Removes the hover class. |
| dragend | Removes the hide and hover classes. |
The hide CSS class will apply to the draggable element as it is being dragged. You can do so by creating a CSS declaration that modifies the source element’s dimensions or opacity. Removing this class will automatically restore its default display properties.
The hover
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.