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onBeforeDropOut

fires before a dragged element is released over the droppable area outside the source widget

function onBeforeDropOut(
    // the drag-n-drop context
    context: object,
    // an HTML event object
    native_event: Event
): void

Example

Section titled “Example”
grid1.attachEvent("onBeforeDropOut", function(context, native_event){
    //... some code here ...
    //return false to block operation
    return true;
});

also check the next samples:

Details

Section titled “Details”

See also

Section titled “See also”

Articles

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