<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>邮箱地址自动完成功能</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
</head>
<body>
<input name="myInput" type="text" id="myInput" style="margin:100px;198px;">
<script type="text/javascript">
var MailTips = {
mailArr:["163.com",
"126.com",
"qq.com",
"sina.com",
"vip.sina.com",
"hotmail.com",
"gmail.com",
"sina.cn",
"suho.com",
"yahoo.cn",
"139.com",
"wo.com.cn",
"189.cn"],
liArr:[],
box:null,
input:null,
cssUrl:'mailtips.css',
init:function(id){
var obj = this.input = document.getElementById(id);
var that = this;
if(obj.addEventListener){
obj.addEventListener("input",that.changeEvent,false);
}else if(obj.attachEvent){
obj.attachEvent("onpropertychange",that.changeEvent);
}
this.addEvent(obj,"blur",that.focusout);
this.addCss();
this.createContent();
this.box.style.top = obj.offsetTop + obj.offsetHeight + "px";
this.box.style.left = obj.offsetLeft + "px";
},
changeEvent:function(){
var str = MailTips.input.value;
if(str.indexOf("@") == -1){
MailTips.box.style.display = "block";
for(var i=0;i<MailTips.liArr.length;i++){
MailTips.liArr[i].innerHTML = str + "@" + MailTips.mailArr[i];
}
}
},
focusout:function(){
setTimeout(function(){
MailTips.box.style.display = "none";
},100)
},
createContent:function(){
this.box = document.createElement("div");
this.box.className = "mailtops_css";
document.body.appendChild(this.box);
var ul = document.createElement("ul");
this.box.appendChild(ul);
for(var i=0;i<this.mailArr.length;i++){
var li = this.getLi();
li.innerHTML = this.mailArr[i];
this.liArr.push(li);
ul.appendChild(li);
}
},
getLi:function(){
var li = document.createElement("li");
this.addEvent(li,"mouseover",function(){li.className = "overli";});
this.addEvent(li,"mouseout",function(){li.className = "outli";});
this.addEvent(li,"click",function(){MailTips.input.value = li.innerHTML;});
return li;
},
addEvent:function(obj,type,fn){
if(obj.addEventListener){
obj.addEventListener(type,fn,false);
}else if(obj.attachEvent){
obj.attachEvent("on"+type,fn);
}
},
addCss:function(){
var css = document.createElement("link")
css.type = "text/css";
css.href = this.cssUrl;
css.rel = "stylesheet";
var headElem = document.getElementsByTagName("head")[0];
headElem.appendChild(css);
}
}
</script>
<script type="text/javascript">
MailTips.init("myInput");
</script>
</body>
</html>