javascript - jQuery UI, Droppable - Why this doesn't work -

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this simple ... drag , drop in area. when set margin dragged element (.a1_73, .a2_73) nothing happend on dropped area. have no idea why. wrong ??? without margin works greate.

html

<div id="a1_73" class="empty">#a1</div> <div id="a2_73" class="empty">#a2</div> <div id="a3_73" class="empty">#a3</div> <div id="a4_73" class="empty">#a4</div>  <div class="a1_73 dragme">.a1</div> <div class="a2_73 dragme">.a2</div> <div class="a4_73 dragme">.a3</div> <div class="a3_73 dragme">.a4</div>

javascript

$(".dragme").draggable({     start: function (event, ui) {         $(this).put_element();     } });  $.fn.put_element = function () {     $this = $(this).attr('class').split(" ");     $this = $this[0];     $("#" + $this + "").droppable({         accept: "." + $this + "",         drop: function (event, ui) {             alert('ok');         }     }) }

css

        #a1_73 {         width: 362px;         height: 295px;         margin-left: 748px;         margin-top: 314px;         position: absolute;     }     #a2_73 {         width: 318px;         height: 213px;         margin-left: 421px;         margin-top: 188px;         position: absolute;     }     #a3_73 {         width: 360px;         height: 243px;         margin-left: 23px;         margin-top: 367px;         position: absolute;     }     #a4_73 {         width: 396px;         height: 199px;         margin-left: 19px;         margin-top: 50px;         position: absolute;     }     .a1_73 {         margin: 162px 0px 0px 858px;         position: absolute;     }     .a2_73 {         margin: 97px 0px 0px 759px;         position: absolute;     }     .a4_73 {         margin: 33px 0px 0px 634px;         position: absolute;     }     .a3_73 {         margin: 231px 0px 0px 853px;         position: absolute;     }     div {         background-color: red;     }     .dragme {         width: 100px;         height: 100px;         background-color: black;         color: #fff;     }

jsfiddle

rk

try this.

html

<div id="a1_73" class="empty">#a1</div> <div id="a2_73" class="empty">#a2</div> <div id="a3_73" class="empty">#a3</div> <div id="a4_73" class="empty">#a4</div>  <div class="a1_73 dragme">.a1</div> <div class="a2_73 dragme">.a2</div> <div class="a3_73 dragme">.a3</div> <div class="a4_73 dragme">.a4</div>

js

$(".dragme").draggable({         start: function (event, ui) {             $(this).put_element();         }     });      $.fn.put_element = function () {         $this = $(this).attr('class').split(" ");         $this = $this[0];         $("#" + $this + "").droppable({             accept: "." + $this + "",             drop: function (event, ui) {                 alert('ok');             }         })     }

css

    #a1_73 {     width: 362px;     height: 295px;     margin-left: 748px;     margin-top: 314px;     position: absolute; } #a2_73 {     width: 318px;     height: 213px;     margin-left: 421px;     margin-top: 188px;     position: absolute; } #a3_73 {     width: 360px;     height: 243px;     margin-left: 23px;     margin-top: 367px;     position: absolute; } #a4_73 {     width: 396px;     height: 199px;     margin-left: 19px;     margin-top: 50px;     position: absolute; } .a1_73 {      position: absolute; } .a2_73 {      position: absolute; } .a4_73 {      position: absolute; } .a3_73 {      position: absolute; } div {     background-color: red; } .dragme {     width: 100px;     height: 100px;     background-color: black;     color: #fff; }

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