jquery模拟下拉框

<!DOCTYPE html> 
<html lang="en"> 
<head> 
<title>jquery模拟SELECT框</title> 
<meta charset="utf-8"> 
<style> 
body{padding:0;margin:0;font-size:12px;} 
ul,li{list-style:none;padding:0;margin:0;} 
#dropdown{186px; margin:100px auto; position:relative} 
.input_select{150px; height:24px; line-height:24px; padding-left:4px; padding-right:30px; border:1px solid #a9c9e2; background:#e8f5fe url(arrow.gif) no-repeat rightright 4px; color:#807a62; } 
#dropdown ul{184px; background:#e8f5fe; margin-top:2px; border:1px solid #a9c9e2; position:absolute; display:none} 
#dropdown ul li{height:24px; line-height:24px; text-indent:10px} 
#dropdown ul li a{display:block; height:24px; color:#807a62; text-decoration:none} 
#dropdown ul li a:hover{background:#c6dbfc; color:#369} 
#result{margin-top:10px;text-align:center} 
</style> 
<script type="text/javascript" src="http://jt.875.cn/js/jquery.js"></script> 
<script type="text/javascript"> 
$(function(){ 
$(".input_select").click(function(){ 
var ul = $("#dropdown ul"); 
if(ul.css("display")=="none"){ 
ul.slideDown("fast"); 
}else{ 
ul.slideUp("fast"); 

}); 
$("#dropdown ul li a").click(function(){ 
var txt = $(this).text(); 
$(".input_select").val(txt); 
var value = $(this).attr("rel"); 
$("#dropdown ul").hide(); 
$("#result").html("您选择了"+txt+",值为:"+value); 
}); 

}); 
</script> 
</head> 
<body> 

<div id="dropdown"> 
<input class="input_select" type="text" value="请选择城市"/> 
<ul> 
<li><a href="#" rel="2">北京</a></li> 
<li><a href="#" rel="3">上海</a></li> 
<li><a href="#" rel="4">武汉</a></li> 
<li><a href="#" rel="5">广州</a></li> 
</ul> 
</div> 
<div id="result"></div> 
</body> 
</html> 

原文地址:https://www.cnblogs.com/liuwenbohhh/p/4701886.html