表单美化——下拉列表
纯js实现模拟的下拉列表框：
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>表单美化_下拉列表篇title>
<style>
body{font:13px/26px "微软雅黑";background:#666666;}
div,ul,li{margin:0;padding:0;}
a{color:#000;text-decoration:none;line-height:30px;padding:0 10px;}
a:hover{color:#C00;}
#box{width:500px;height:326px;border:3px solid #333333;background:#FFF;position:absolute;top:50%;left:50%;margin:-163px 0 0 -250px;}
.province{width:320px;height:42px;background:#C00;margin:80px auto;padding-left:10px;position:relative;}
.province strong{width:48px;height:42px;color:#FFF;line-height:42px;font-size:14px;font-weight:bold;display:block;float:left;}
.province span{width:200px;height:24px;line-height:24px;border:1px solid #999;background:#FFF url(images/province_sprites.png) no-repeat 189px -2px;display:block;float:left;margin-top:8px;padding-left:4px;cursor:pointer;}
.province ul{width:328px;height:auto;background:#FFF;border:1px solid #dfdfdf;border-bottom:none;clear:both;position:absolute;left:0;top:42px;display:none;z-index:101;}
.province ul li{height:30px;line-height:30px;border-bottom:1px solid #dfdfdf;padding-left:10px;}
.province ul li b{font-weight:bold;}
ul,li{list-style:none;}
.show{display:block;}
#layer{width:100%;height:100%;background:#FFFFFF;position:absolute;top:0;left:0;z-index:100;filter:alpha(opacity=0);opacity:0;display:none;}style>
<script>
function addLoadEvent(func) {var oldonload = window.onload;if (typeof window.onload != 'function') {window.onload = func;} else { window.onload = function() {oldonload();func();}}
}
function $(id){return document.getElementById(id);
}
function showProvince(){$("selectProvince").onclick = showAllProvince;selectProvince();
}
function showAllProvince(){$("allProvince").style.display = "block";$("layer").style.display="block";$("selectProvince").style.color = "#CCCCCC";$("selectProvince").style.backgroundPosition = "189px -17px";$("layer").onclick=function(){hideAllProvince();}
}
function hideAllProvince(){$("allProvince").style.display = "none";$("layer").style.display="none";$("selectProvince").style.color = "#000000";$("selectProvince").style.backgroundPosition = "189px -2px";
}
function selectProvince(){var pro = $("allProvince").getElementsByTagName("li");var links;for(var i=0;i"a" );for(var j=0;jfunction(){$("selectProvince").innerHTML = this.innerHTML;hideAllProvince();}}}
}
addLoadEvent(showProvince);
script>
head><body>
<div id="box"><div class="province"><strong>送货至strong><span id="selectProvince">北京span><ul id="allProvince" class="show"><li><b>Ab><a href="javascript:void(0);">安徽a>li><li><b>Bb><a href="javascript:void(0);">北京a>li><li><b>Cb><a href="javascript:void(0);">重庆a>li><li><b>Fb><a href="javascript:void(0);">福建a>li><li><b>Gb><a href="javascript:void(0);">广东a><a href="javascript:void(0);">广西a>li><li><b>Hb><a href="javascript:void(0);">河北a><a href="javascript:void(0);">河南a><a href="javascript:void(0);">黑龙江a>li><li><b>Jb><a href="javascript:void(0);">吉林a><a href="javascript:void(0);">江苏a>li><li><b>Lb><a href="javascript:void(0);">辽宁a>li><li><b>Nb><a href="javascript:void(0);">内蒙古a>li><li><b>Qb><a href="javascript:void(0);">青海a>li><li><b>Sb><a href="javascript:void(0);">上海a><a href="javascript:void(0);">山东a>li><li><b>Tb><a href="javascript:void(0);">天津a>li><li><b>Xb><a href="javascript:void(0);">新疆a>li><li><b>Yb><a href="javascript:void(0);">云南a>li><li><b>Zb><a href="javascript:void(0);">浙江a>li>ul>div>
div>
<div id="layer">div>
body>
html>
下拉列表右边小剪头图标：
代码运行效果图：
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