<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Switch</title>
<style>
body {
margin: 0;
padding: 0;
}
#content {
width: 100px;
height: 50px;
margin: 100px auto;
padding: 5px;
box-sizing: border-box;
border-radius: 30px;
background-color: gray;
outline: greenyellow dotted thick;
transition: background-color 0.3s;
}
#content::after{
content: '';
display: inline-block;
width: 40px;
height: 40px;
background-color: #fff;
border-radius: 20px;
transition: all 0.3s;
}
#content.active{
background-color: hotpink;
}
#content.active::after{
transform: translateX(50px);
}
#content:active::after{
width: 60px;
}
#content.active:active::after{
transform: translateX(30px);
width: 60px;
}
</style>
</head>
<body>
<div id="content" onclick="toggle()">
</div>
<script>
function toggle() {
var content = document.querySelector("#content");
if(content.className.includes('active')){
content.className = content.className.replace('active', '');
}else{
content.classList.add('active');
}
}
</script>
</body>
</html>