大家都见过某网页中的恶意广告，你关闭了又出来了！为何，js来告诉你
html
<body>
<h3 class="whitecolor">无法关闭的弹框，打不死的小强!</h3>
<div id="middlebox">
<a href="javascript:;" class="close_btn" id="closebtn"><img src="images/close_icon.png" alt="" class="will_close"></a>
<ul class="parent_btn">
<li><a href="/" class="btn_tel"><img src="images/icon_tel.gif" alt=""><span>拨打电话</span></a></li>
<li><a href="/" class="btn_chat"><img src="images/icon_chat.gif" alt=""><span>快速留言</span></a></li>
</ul>
</div>
</body>
css
*{
margin: 0;
padding: 0;
list-style: none;
outline: none;
box-sizing: border-box;
text-decoration: none;
}
a { -webkit-touch-callout: none; text-decoration: none }
:focus { outline: 0 }
body{
font-family: helvetica, stheiti, "microsoft yahei", sans-serif;
color: #595757;
background-color: #fff;
outline: 0;
overflow-x: hidden;
-webkit-tap-highlight-color:rgba(0,0,0,0);
}
img{
border: none;
}
.whitecolor{
color: #fff;
text-align: center;
}
.flex_parent{
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
}
.flex_child{
-webkit-box-flex: 1;
-moz-box-flex: 1;
-webkit-flex: 1;
-ms-flex: 1;
flex: 1;
}
/*middle_box*/
body{
position: relative;
background-color: #272822;
}
#middlebox{
width: 260px;
height: 248px;
margin: 0 auto;
background-image: url(../images/irfa_dog.jpg);
background-repeat: no-repeat;
background-size: 100% 100%;
border-radius: 10px;
/*水平垂直居中*/
position: fixed;
left: 50%;
top: 50%;
margin-top: -124px;
-webkit-transform: translatex(-50%);
-moz-transform: translatex(-50%);
-o-transform: translatex(-50%);
-ms-transform: translatex(-50%);
transform: translatex(-50%);
z-index: 100;
}
.close_btn{
display: block;
overflow: hidden;
position: absolute;
top: -10px;
right: -10px;
}
.will_close{
width:32px;
}
#middlebox a{
overflow: hidden;
}
#middlebox a img,#middlebox a span,#middlebox ul li{
float: left;
}
#middlebox a span{
font-size: 16px;
color: #fff;
}
#middlebox ul{
overflow: hidden;
}
#middlebox ul li{
width: 130px;
}
#middlebox ul li a{
line-height: 50px;
display: block;
padding-left: 5px;
}
#middlebox ul li a img{
width:30px;
margin-right: 2px;
margin-top: 8px;
margin-left: 5px;
}
.btn_tel{
background-color: #f92665;
border-bottom-left-radius: 10px;
}
.btn_chat{
background-color: #1ea362;
border-bottom-right-radius: 10px;
}
.parent_btn{
position: absolute;
left: 0;
bottom: 0;
}
js
/**
* created by administrator on 2016/12/5.
*/
var adv={
div:null,
timer:null,
btn:null,
init:function(){
this.btn=document.getelementbyid("closebtn");
this.div=document.getelementbyid("middlebox");
this.btn.onclick=this.displaynone;
},
displayblock:function(){
adv.div.style.display="block";
},
displaynone:function(){
adv.div.style.display="none";
timer=settimeout(function(){
adv.displayblock();
},3000);
}
};
window.onload=function(){
adv.init();
};