html 圖片旋轉加旋轉時間

<div onclick="openList('login')">

<img src="images/dz.png" class="firstImg"> 用戶登錄註冊

<img src="images/xl.png" class="lastImg" id="loginImg">

</div>

var loginImg = document.getElementById('loginImg').style;

if (loginDivStyle.display === "block") {

loginDivStyle.display = "none";

loginImg.transform="rotate(0deg)";

loginImg.transitionDuration="0.5s";

} else {

loginDivStyle.display = "block";

faceDivStyle.display = "none";

taskDivStyle.display = "none";

mySelfDivStyle.display = "none";

loginImg.transform = "rotate(-180deg)";

loginImg.transitionDuration = "0.5s";

}

break;