jsDom实现换肤效果

 
 
 
 
  


 
  季节
  换肤
 
 

 

header{
 position: absolute;
 top:0px;
 width:1366px;
 height: 60px;
 text-align: center;
}
header>span{
 line-height: 60px;
}
header>button{
 width:60px;
 height:45px;
 position: absolute;
 right:30px;
 margin-top:8px;
}
.main{
 margin-top: 60px;
 width:1366px;
 height:600px;
} 

html,body{
 padding: 0px;
 margin: 0px;
}
header{
 background-color: #C0FF3E;
}
.main{
 background: url(img/spring.jpg) no-repeat;
 background-size: 1366px 600px;
}

html,body{
 padding: 0px;
 margin: 0px;
}
header{
 background-color: #76EE00;
}
.main{
 background: url(img/summer.jpg) no-repeat;
 background-size: 1366px 600px;
}

function change(){
 var link=document.getElementsByTagName("link")[1];
 var btn=document.getElementsByTagName("button")[0];
 btn.Onclick=function(){
  if(link.href=="http://localhost:8000/BOM%E5%AD%A6%E4%B9%A0/spring.css"){
   link.href="summer.css";
  }else{
   link.href="spring.css";
  }
 };
}
window.Onload=function(){
 change();
};