This script.aculo.us Drag & Drop hoverclass Option is used create a active hoverclass where you can drag a drag-able element to a drop area. In that drop area, the element will be placed. This is a name of a CSS class which will be added to an element while the droppable option is active.
Syntax:
Droppables.add('element', {hoverclass: 'cssClass'});
Example: Below example illustrate the script.aculo.us Drag & Drop hoverclass Option.
<!DOCTYPE html> < html >   < head >     < script type = "text/javascript"          src = "scriptaculous-js-1.9.0/lib/prototype.js" >     </ script >       < script type = "text/javascript"          src = "scriptaculous-js-1.9.0/src/scriptaculous.js" >     </ script >           < script type = "text/javascript" >         window.onload = function () {             $A($("draggables").getElementsByTagName(                 "img")).each(function (item) {                     new Draggable(                         item, { revert: true, ghosting: true });                 });               Droppables.add(                 "droparea", {                     hoverclass: "hoverActive",                 onDrop: moveItem             });               // Set drop area default non cleared.             $("droparea").cleared = false;         };           function moveItem(draggable, droparea) {             if (!droparea.cleared) {                 droparea.innerHTML = "";                 droparea.cleared = true;             }               draggable.parentNode.removeChild(draggable);             droparea.appendChild(draggable);         }     </ script >       < style type = "text/css" >         #draggables {             width: 550px;             height: 73px;         }           #droparea {             float: left;             width: 550px;             height: 73px;             border: 2px solid gray;             text-align: center;             font-size: 16px;             padding: 12px;         }     </ style > </ head >   < body >     < div >         < h1 style = "color: green;" >neveropen</ h1 >           < p >A Computer Science Portal for Geeks</ p >       </ div >     < strong >         script.aculo.us Drag & Drop hoverclass Option     </ strong >     < div id = "draggables" >         < img src = "gfg.png" />     </ div >     < div id = "droparea" >         Drag the Image and Drop Your Image in this area     </ div > </ body >   </ html > |