Demo of setting and getting disabled option for droppable

change the option below to disable or enable the droppable.

HTML

<div class='row'> <div class='col-md-6'> 
<div id="draggable" class="ui-widget-content">
  <p>Drag me to my destination</p>
</div>
</div><div class='col-md-2'>  
<div id="droppable" class="ui-widget-header" >
  <p>Dropp here</p>
</div>
</div></div>
change the option below to disable or enable the droppable.

<div id=d1></div>
<br>
<div class='radio-inline'>
  <label><input type='radio' name='r1' id='r1' value='true' > True</label>
</div>

<div class='radio-inline'>
  <label><input type='radio' name='r1' id='r2' value='false' checked>False</label>
</div>

jquery

<script>
$(document).ready(function() {
///////////
$( function() {
    $( "#draggable" ).draggable({
});
});
///////////
$( "#droppable" ).droppable({
  drop: function( event, ui ) {
        $( this )
        .find( "p" )
        .html( "Welcome Dropped!" );
    }
 });
///////////////
var status_used = $( "#droppable" ).droppable( "option", "disabled" );
$('#d1').html( " <b>Status of option : disabled </b> " + status_used );
////////////
$("input:radio[name=r1]").click(function() {
var sel = ($(this).val() == 'true');
$( "#droppable" ).droppable( "option", "disabled", sel );
var status_used = $( "#droppable" ).droppable( "option", "disabled" );
$('#d1').html( " <b>Status of option   : disabled </b>: " + status_used );
})
///////////////////////
})
</script>