随便写了个jsonp模拟百度搜索相关词汇的小demo，帮助新手理解jsonp的用法。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>模拟百度搜索框</title>
<style>
*{
margin: 0;
padding: 0;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
ul,li{
list-style: none;
}
.baiduSearch{
width: 600px;
margin:100px auto 0;
text-align: center;
}
#search_txt{
width: 500px;
height: 40px;
border:1px solid #ccc;
border-right: 0;
outline: 0;
text-indent: 10px;
font-size: 24px;
}
#search_btn{
display: inline-block;
width: 100px;
height: 40px;
line-height: 40px;
vertical-align: top;
font-size: 20px;
cursor: pointer;
color:#666;
border:1px solid #ccc;
text-decoration: none;
}
.result{
width: 500px;
border:1px solid #ccc;
border-top: 0;
display: none;
}
.result>li{
height: 30px;
line-height: 30px;
text-align: left;
text-indent: 10px;
}
</style>
</head>
<body>
<div class="baiduSearch">
<input type="text" ).show().append(oLi);
}
}
});
});
</script>
</body>
</html>
演示地址： jsonp搜索