Question

I am using jquery sortable function for Li within a Ul tag, when i am dragging and dropping elements within ul, then i wanting that it can not be dragged left or right within ul. it should be dragged only up and down.

Answer 1

Try this:

$( ".selector" ).sortable({ axis: 'y' });

From the docs:

If defined, the items can be dragged only horizontally or vertically.
Possible values:’x’, ‘y’.