jQuery 1.9 slidedown bug

by dlong500

HTML

<div>
    <span id="button1">Teh SlideDown Initiator</span>
</div>
<div id="message_container">Notify Message</div>

CSS

#message_container {
    padding: 6px;
    color: #cd0a0a;
    border: 1px solid #cd0a0a;
    background-color: #fef1ec;
    border-radius: 4px;
    display: none;
}

#button1 {
    display: inline-block;
    height: 20px;
    width: 160px;
    background-color: #81f7a2;
    border: 1px solid #000;
    margin-top: 5px;
    margin-bottom: 8px;
    padding: 4px;
}

JavaScript

$("#button1")
.click(function (event) {
    $("#message_container").slideDown();
});