console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<style>
h1 {
color: red;
}
.wrapper {
height: 40px;
width: 80px;
background: #ddd;
border-radius: 20px;
padding: 2px;
cursor: POINTER;
transition: background 0.8s;
}
.wrapper_active {
background: green;
}
.dot {
height: 40px;
width: 40px;
border-radius: 50%;
background: #fff;
position: relative;
left: 0;
transition: left 0.8s;
}
.dot_active {
left: 40px;
}
</style>
<title>Static Template</title>
</head>
<body>
<div class="wrapper" onclick="changeState(event)">
<div id="dot" class="dot"></div>
</div>
</body>
<script>
let dotEle = document.getElementsByClassName("dot")[0];
function changeState(event) {
if (event.currentTarget.className.indexOf("wrapper_active") === -1) {
event.currentTarget.className += " wrapper_active";
dotEle.className += " dot_active";
} else {
event.currentTarget.className = "wrapper";
dotEle.className = "dot";
}
}
</script>
</html>