JS遮罩层弹框效果

对于前端开发者来说,js是不可缺少的语言。现在我开始把我日常积累的一些js效果或者通过搜索自己总结的一些效果分享给大家,希望能够帮助大家一起进步,也希望大家能够多多支持!

1、今天我先分享一个遮罩层弹框效果:

<!DOCTYPE html PUBLIC "-//W3C//DTDXHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

   <html xmlns="http://www.w3.org/1999/xhtml"> 

   <head> 

   <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> 

   <title>弹出提示</title> 

   <style> 

    *{margin:0;padding:0;font-size:12px;} 

   html,body {height:100%;width:100%;} 

   #content {background:#FFFFFF;padding:30px;height:100%;} 

   #content a {font-size:30px;color:#369;font-weight:700;} 

   #alert {border:1px solid#369;width:300px;height:150px;background:#e2ecf5;z-index:1000;position:absolute;display:none;} 

   #alert h4 {height:20px;background:#369;color:#fff;padding:5px 0 05px;} 

   #alert h4 span {float:left;} 

   #alert h4 span#close{margin-left:210px;font-weight:500;cursor:pointer;} 

   #alert p {padding:12px 0 0 30px;} 

   #alert p input {width:120px;margin-left:20px;} 

   #alert p input.myinp {border:1px solid #ccc;height:16px;} 

   #alert p input.sub {width:60px;margin-left:30px;} 

   </style> 

   </head> 

   <body> 

   <div id="content"> 

   <a href="#">注册</a> 

   </div> 

   <div id="alert"> 

   <h4><span>现在注册</span><span id="close">关闭</span></h4> 

   <p><label> 用户名</label><input type="text"class="myinp" onmouseover="this.style.border='1px solid#f60'" onfoucs="this.style.border='1px solid #f60'"onblur="this.style.border='1px solid #ccc'" /></p> 

   <p><label> 密 码</label><input type="password"class="myinp" onmouseover="this.style.border='1px solid#f60'" onfoucs="this.style.border='1px solid #f60'"onblur="this.style.border='1px solid #ccc'" /></p> 

   <p><input type="submit" value="注册"class="sub" /><input type="reset" value="重置"class="sub" /></p> 

   </div> 

   <script type="text/javascript"> 

   var myAlert = document.getElementById("alert"); 

   var reg = document.getElementById("content").getElementsByTagName("a")[0]; 

   var mClose = document.getElementById("close"); 

   reg.onclick = function() 

   { 

   myAlert.style.display = "block"; 

   myAlert.style.position = "absolute"; 

   myAlert.style.top = "50%"; 

   myAlert.style.left = "50%"; 

   myAlert.style.marginTop = "-75px"; 

   myAlert.style.marginLeft = "-150px"; 

   mybg = document.createElement("div"); 

   mybg.setAttribute("id","mybg"); 

   mybg.style.background = "#000"; 

   mybg.style.width = "100%"; 

   mybg.style.height = "100%"; 

   mybg.style.position = "absolute"; 

   mybg.style.top = "0"; 

   mybg.style.left = "0"; 

   mybg.style.zIndex = "500"; 

   mybg.style.opacity = "0.3"; 

   mybg.style.filter = "Alpha(opacity=30)"; 

    document.body.appendChild(mybg); 

   document.body.style.overflow = "hidden"; 

   } 

   mClose.onclick = function() 

   { 

   myAlert.style.display = "none"; 

   mybg.style.display = "none"; 

   } 

   </script> 

   </body> 

   </html> 

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