javascript - distance jQuery UI draggable object has been moved, dragged -


i using following code allow members of .datacard class draggable left or right, revert original positions.

$('.datacard').draggable({ axis: 'x', revert: true });

how can tell distance item away original position?

have made across 1 axis ..

drag: function (e, ui){             y2 = ui.position.top;             x2 = ui.position.left;             if(y2>100){alert("greater");}                     if(y2>100){alert("greater");}          }

jsfiddle demo


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