시 나 웨 이 보 로그 인 메 일 알림 효 과 를 모방 한 js 코드

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title> </title>
<script type="text/javascript" src="http://s.juzheke.com/min/f=@public/js/jquery.v1.7.js"></script>
<script type="text/javascript">
$(function(){
$.fn.extend({
"changeTips":function(value){
value = $.extend({
divTip:""
},value)

var $this = $(this);
var indexLi = 0;

// document
$(document).click(function(event){
if($(event.target).attr("class") == value.divTip || $(event.target).is("li")){
var liVal = $(event.target).text();
$this.val(liVal);
blus();
}else{
blus();
}
})

//
function blus(){
$(value.divTip).hide();
}

//
function keychang(up){
if(up == "up"){
if(indexLi == 1){
indexLi = $(value.divTip).children().length-1;
}else{
indexLi--;
}
}else{
if(indexLi == $(value.divTip).children().length-1){
indexLi = 1;
}else{
indexLi++;
}
}
$(value.divTip).children().eq(indexLi).addClass("active").siblings().removeClass();
}

//
function valChange(){
var tex = $this.val();//
var fronts = "";// “@”
var af = /@/;
var regMail = new RegExp(tex.substring(tex.indexOf("@")));// “@” , , 。 new 。


// , LI
if($this.val()==""){
blus();
}else{
$(value.divTip).
show().
children().
each(function(index) {
var valAttr = $(this).attr("email");
if(index==1){$(this).text(tex).addClass("active").siblings().removeClass();}
// 1 LI
if(index>1){
// “@”
if(af.test(tex)){
// “@”
fronts = tex.substring(tex.indexOf("@"),0);
$(this).text(fronts+valAttr);
// “@” , LI email
if(regMail.test($(this).attr("email"))){
$(this).show();
}else{
if(index>1){
$(this).hide();
}
}

}
// “@”
else{
$(this).text(tex+valAttr);
}
}
})
}
}


// , ;
if($.browser.msie){
$(this).bind("propertychange",function(){
valChange();
})
}else{
$(this).bind("input",function(){
valChange();
})
}


// LI
$(value.divTip).children().
hover(function(){
indexLi = $(this).index();// LI ;
if($(this).index()!=0){
$(this).addClass("active").siblings().removeClass();
}
})


// LI
$this.keydown(function(event){
if(event.which == 38){//
keychang("up")
}else if(event.which == 40){//
keychang()
}else if(event.which == 13){ //
var liVal = $(value.divTip).children().eq(indexLi).text();
$this.val(liVal);
blus();
}
})
}
})


$("#loginName").changeTips({
divTip:".on_changes"
});
})
</script>
<style type="text/css">
*{margin:0;padding:0;}

.login{width:400px; margin:0 auto; background:#EBEBEB; position:relative;}

input{ width:230px; height:28px; margin:10px 0; line-height:28px;}

.login .on_changes{width:232px; position:absolute; top:40px; list-style:none; background:#FFF; border:1px solid #000; display:none; padding:10px;}

.login .on_changes li{margin:8px;padding:4px;}

.login .on_changes li.active{ background:#CEE7FF;}

</style>
</head>
<body>
<div class="login">
<div class="ln"><input type="text" maxlength="128" name="loginName" id="loginName" placeholder=" / / " /></div>
<ul class="on_changes">
<li email=""> </li>
<li email=""></li>
<li email="@sina.com"></li>
<li email="@163.com"></li>
<li email="@qq.com"></li>
<li email="@hotmail.com"></li>
<li email="@126.com"></li>
<li email="@gmail.com"></li>
<li email="@yahoo.com"></li>
</ul>
</div>
</body>
</html>

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