Understanding the Gravity of HTML5 - Learn HTML5 by Creating Fun Games - page 138

//
------------------------------------------------------------
// Fired when draggable is released outside a
target (onDragEnd)
//
------------------------------------------------------------
function doOnDragEnd(event) {
event.target.style.opacity = 1.0;
document.querySelector("#bowl-top-faux-target").style.opacity
= 0.0;
}
//
------------------------------------------------------------
// Fired when draggable enters target
(onDragOver)
//
------------------------------------------------------------
function doOnDragOver(event) {
event.preventDefault();
document.querySelector("#bowl-top-faux-target").style.opacity
= 1.0;
}
//
------------------------------------------------------------
// Fired when draggable is hovered away from a
target (onDragLeave)
//
------------------------------------------------------------
function doOnDragLeave(event) {
document.querySelector("#bowl-top-faux-target").style.opacity
= 0.0;
}