<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>可输入的下拉框</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
</head>
<body>
<style type="text/css">
input:focus{
/*去掉focus效果*/
outline: none;
}
</style>
<div style="position:relative">
<div style="display:inline">
<select name="sel" onchange="this.parentNode.nextSibling.value=this.value" style="width:200px;height:30px;">
<option value="第一选择">第一选择</option>
<option value="第二选择">第二选择</option>
</select>
</div><input name="box" type="text" style="position:absolute;top:2px;left:2px;height:24px;border:none">
</div>
</body>
</html>
来源:https://www.cnblogs.com/zqbgds/p/6370457.html