I want to build into my app a way to select multiple objects on the screen (this is an HTML page with a bunch of absolutely positioned HTML divs). You know, like when you click down with the mouse and drag a transparent/translucent box and anything within that box gets selected upon mouse release?
I don’t know how to go about coding that. How would you? Or pointers to solutions is acceptable as well.
Consider using jQuery javascript library. It has an extension jQuery UI that provides abstractions for interaction and animation. For drag an drop you have: Draggable