Js实现邮箱地址自动完成输入提示功能

小提示

Ctrl+/代码提示(需IE11)
F11键放大 ESC键缩小
PgUp上页 PgDn下页

推荐代码

运行代码缩小

引入JS
- 3.0.0 2.2.0 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.3 2.0.2 2.0.1 2.0.0 1.12.0 1.11.3 1.11.2 1.11.1 1.11.0 1.10.2 1.10.1 1.10.0 1.9.1 1.9.0 1.8.3 1.8.2 1.8.1 1.8.0 1.7.2 1.7.1 1.7 1.6.4 1.6.2 1.6.1 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0
- 1.7.3 1.7.2 1.7.1.0 1.7.0.0
- 2.0.0-beta.0 2.0.0-alpha.55 1.5.0-rc.0 1.4.8 1.4.0 1.3.20 1.2.29 1.1.5 1.0.8
- 1.8.3 1.7.0 1.6.0 1.5.2 1.4.4 1.3.3 1.2.4 1.1.7
- 1.10.4 1.9.7 1.8.10 1.7.8 1.6.3 1.5.4 1.4.6 1.3.3
- core1.6.0 core-compat1.6.0 core1.5.2 core-compat1.5.2 core-full-compat-yc1.4.5 core-full-compat1.4.5 core-full-nocompat-yc1.4.5 core-full-nocompat1.4.5
- 1.4.2 1.4.1 1.4.0 1.3.0 1.2.0 1.1.0
- 3.7.3 3.7.2 3.7.1 3.7.0 3.7 3.6.2 3.6.1 3.6

引入框架
- 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2
- 1.11.4 1.11.3 1.11.2 1.11.1 1.11.0 1.10.4 1.10.3 1.10.2
- 3.3.6 3.3.5 3.3.0 3.2.0 2.3.2

汉王

HTML代码

复制格式化注释注释清空

放大

<!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;width: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>

CSS代码

复制格式化注释注释颜色清空

放大

JS代码

复制格式化注释注释清空

放大

运行代码

简介

请输入代码名称！

名称

Js实现邮箱地址自动完成输入提示功能

分类

网站常用

描述

JavaScript实现的邮箱地址自动完成快捷选择功能，当输入邮箱地址的时候，自动为邮箱地址增加后缀的网址，省去用户输入的麻烦，提高网站的用户体验度。