jquery怎么添加多个类名
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jquery添加多个类</title>
<script src="./jquery.min.js"></script>
</head>
<style>
.class1{
width: 100px;
height: 100px;
background: red;
}
</style>
<body>
<div>我是div</div>
</body>
<script>
$("div").addClass("class1 class2")
</script>
</html>
效果图如下:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jquery添加多个类</title>
<script src="./jquery.min.js"></script>
</head>
<style>
.class1{
width: 100px;
height: 100px;
background: red;
}
</style>
<body>
<div>我是div</div>
</body>
<script>
$("div").addClass("class1 class2")
</script>
</html>
效果图如下:
