当我单击DIV时,我正在处理更改的旋转。当我单击DIV时,为什么我的Div不旋转?if statement有问题吗?
function blog() {
var i = document.getElementById('imgblog').style.transform;
if (i == "rotate(180deg)") {
document.getElementById('imgblog').style.transform == "rotate(0deg)";
} else {
document.getElementById('imgblog').style.transform == "rotate(180deg)";
}
}
#option #imgblog {
height: 20px;
transform: rotate(180deg);
transition: 0.3s;
margin-top: 1px;
float: right;
}
<div id="option" onclick="blog()">
<img id="imgblog" src="https://upload.wikimedia.org/wikipedia/commons/3/35/Arrow_facing_right_-_Red.svg">
<h1> BLOG </h1>
</div>
简化了您的代码以切换触发旋转的类。
#option #imgblog {
height: 20px;
transform: rotate(180deg);
transition: 0.3s;
margin-top: 1px;
float: right;
}
#option #imgblog.norotate {
transform: rotate(0);
}
<div id="option" onclick="blog()">
<img id="imgblog" src="http://kenwheeler.github.io/slick/img/fonz1.png">
<h1> BLOG </h1>
</div>
<script>
function blog() {
var i = document.getElementById('imgblog');
i.classList.toggle('norotate');
}
</script>