为什么我得到Element offsetHeight"0"？偶数元素原始高度没有显示
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style>
/* Added for Menu */
.navbar
{
list-style: none;`enter code here`
padding: 0 10px;
margin: 0;
float: left;
width: 980px;
background: url(images/navbar.gif) repeat-x;
}
.navbar ul
{
list-style: none;
padding: 0px;
margin: 0;
float: left;
width: 260px;
}
.navbar ul li
{
float:left;
position:relative;
z-index:1000;
margin:0px;
padding:0px;
}
.navbar ul li ul
{
display:none;
border:none;
width: 260px;
padding:0 0px …