Jquery.addClass is always invalid reason analysis_jquery

Add the following to the setAdminTabs.js code:

Copy the code The code is as follows:

$("# adminTabs li").mouseover(function(){$(this).addClass("selectedTab")});

always does not work for the following reasons:

Copy code The code is as follows:

.selectedTab{background-color:White; border-bottom:1px}

Define two attributes, which exist in the admin.css file, as follows:

Copy the code The code is as follows:

#adminTabs ul li{ float:left; border: #E0E0E0 1px solid; margin-right:10px; padding:5px 10px; line-height:20px; width:80px; text-align:center ; background-color:#EEEEEE;}

Jquery makes it not work