JavaScript Drag Events on iPhone and Other Touch Based Devices

For quite a while this week, we were trying to work on dragging JavaScript elements on iPad and other devices with touch input. For our case, we already had jQuery included in our codes, hence we were tempted to use the touchmove event and depend on native jQuery to do the rest.

Things turned out to be a bit trickier. After implementation, it struck us that with jQuery bound events, event.pageX and other related mouse coordinate attributes would not work. Add to that, we were using the jQuery.event.drag plugin by ThreeDubsmedia to seal of the dirty job of drag-related coding.

Armed with the above two problems, we started to do what we thought would be the fastest solution – modify the jQuery.event.drag plugin for a graceful upscale!

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