<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./js/jquery.min.js"></script>
<style>
.geyao {
width: 100px;
height: 100px;
background-color: pink;
}
</style>
</head>
<body>
<div>1</div>
<script>
$(function() {
$("div").click(function() {
$(this).addClass("geyao");
});
//删除
/* $("div").click(function() {
$(this).removeClass("geyao");
}); */
//切换
$("div").click(function() {
$(this).toggleClass("geyao");
});
})
</script>
</body>
</html>
运行结果
