<!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>
<script src="../jquery-2.1.1/jquery.js"></script>
<style>
body {
background: #20262E;
padding: 20px;
font-family: Helvetica;
}
#banner-message {
background: #fff;
border-radius: 4px;
padding: 20px;
font-size: 25px;
text-align: center;
transition: all 0.2s;
margin: 0 auto;
width: 300px;
}
button {
background: #0084ff;
border: none;
border-radius: 5px;
padding: 8px 14px;
font-size: 15px;
color: #fff;
}
#banner-message.alt {
background: #0084ff;
color: #fff;
margin-top: 40px;
width: 200px;
}
#banner-message.alt button {
background: #fff;
color: #000;
}
</style>
</head>
<body>
<div id="banner-message">
<p>Hello World</p>
<button>Change color</button>
</div>
</body>
<script>
// find elements
var banner = $("#banner-message")
var button = $("button")
// handle click and add class
button.on("click", () => {
banner.toggleClass("alt")
})
</script>
</html>jquery 控制类来控制HTML的显示
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Origin blog.csdn.net/qq_27009517/article/details/120490137
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