jQuery toggleClass() 方法对被选元素进行添加/删除类的切换操作。
语法格式:
toggleClass("className");
示例:
点击按钮添加或删除类
<!DOCTYPE html>
<html lang="en">
<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>Document</title>
<style>
.one {
width: 100px;
height: 100px;
background-color: rgba(44, 25, 214, 0.815);
}
.two {
width: 200px;
height: 200px;
}
</style>
<script src="jQuery.js"></script>
<script>
$(document).ready(function () {
$("button").click(function () {
$("div").toggleClass("two");
})
});
</script>
</head>
<body>
<button>切换</button>
<div class="one"></div>
</body>
</html>
点击按钮前:
点击按钮后: