Building a Side Navigation Menu with jQuery

As domestic website development has matured, plenty of companies have started asking for improvements to their admin interfaces. What follows is how to build a side navigation menu with jQuery. Requirement: make a navigation where clicking a different link shows the corresponding content. First, build a basic HTML and CSS layout Next, do a bit of simple analysis. The submenu content is hidden when the page opens; when you click a navigation link with the mouse, an action fires that displays the hidden sub-navigation. That’s show() to display and hide() to hide With that, tune the corresponding CSS and the effect appears Finally, here is the complete code <!DOCTYPE html> jq Product Navigation

css file / reset /
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body{m
argin:0;padding:0 0 12px 0;
font-size:12px;
line-height:22px;
font-family:"\\5b8b\\4f53","Arial Narrow";background:#fff;
}
form,ul,li,p,h1,h2,h3,h4,h5,h6{
margin:0;
padding:0;
}
input,select{
font-size:12px;
line-height:16px;
}
img{border:0;}
ul,li{list-style-type:none;}
a {
color:#00007F;
text-decoration:none;
}
a:hover {
color:#bd0a01;
text-decoration:underline;
}
.box { width: 150px; margin: 0 auto; }
.menu{
width:100%;
overflow:hidden;
border-color: #C4D5DF;
border-style: solid;
border-width: 0 1px 1px;
}
/* lv1 */
.menu li.level1 a{
display: block;
height: 28px;
line-height: 28px;
background:#EBF3F8;
font-weight:700;
color: #5893B7;
text-indent: 14px;
border-top: 1px solid #C4D5DF;
}
.menu li.level1 a:hover{text-decoration:none;}
.menu li.level1 a.current{background:#B1D7EF;}
/* lv2 */
.menu li ul{overflow:hidden;}
.menu li ul.level2{
width:100%;
display:none;
text-align: left;
}
.menu li ul.level2 li a{
width: 100%; display: block;
height: 28px; line-height: 28px;
background:#ffffff;
font-weight:400;
color: #42556B;
text-indent: 18px;
border-top: 0px solid #ffffff;
overflow: hidden;
text-align: left;
}
.menu li ul.level2 li a:hover{ color:#f60; }