javascript结合CSS实现苹果开关按钮特效_javascript技巧

   
   


   

#div1{
        width: 170px;
        height: 100px;
        border-radius: 50px;
        position: relative;
    }
    #div2{
        width: 96px;
        height: 96px;
        border-radius: 48px;
        position: absolute;
        background: white;
        box-shadow: 0px 2px 4px rgba(0,0,0,0.4);
    }
    .open1{
        background: rgba(0,184,0,0.8);
    }
    .open2{
        top: 2px;
        right: 1px;
    }
    .close1{
        background: rgba(255,255,255,0.4);
        border:3px solid rgba(0,0,0,0.15);
        border-left: transparent;
    }
    .close2{
        left: 0px;
        top: 0px;
        border:2px solid rgba(0,0,0,0.1);
    }

window.onload=function(){
        var div2=document.getElementById("div2");
        var div1=document.getElementById("div1");
        div2.onclick=function(){
          div1.className=(div1.className=="close1")?"open1":"close1";
          div2.className=(div2.className=="close2")?"open2":"close2";
        }
    }