jQuery FadeTo behavior
The fadeTo() method with a value of 0 changes the opacity but doesn't hide (display:none) an element.
by fparent
HTML
<div>
You can still click the hidden button below...<br />
<button id="xxx" value="button" />
<div>
CSS
div { border:solid 1px #000; }
button {
width:100px; height:100px;
background-color:cyan;
cursor:pointer;
}
JavaScript
$('button').fadeTo(0, 0);