模仿百度搜索框的下拉
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>test.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script type="text/javascript" src="js/jquery-1.4.2.min.js"></script>
<script type="text/javascript">
var arr=["a","b","ab","bc","c"];
$(function(){
$("#search").click(function(){
var str="";
$("#msg").parent().children("div").children().remove();
var val=$("#search").val();
for(var i=0;i<arr.length;i++){
if(arr[i].search(val)!=-1){
str+="<span><a style='color:red;'>"+arr[i]+"</a></span></br>";
}
}
$("#msg").css(
{"border":"1px solid gray"},
{"margin":"20px"}
);
$("#msg").append(str);
}).keydown(function(event){
var keycode=event.keyCode;
//向上
if(keycode==38){
}
//向下
else if(keycode==40){
$("#msg").children("span").index(1).css("background-color","gray");
}
});
});
</script>
</head>
<body>
<input type="text" id="search"/>
<div id="msg"></div>
</body>
</html>
