JavaScript 系列四：第4課

─ jQuery 套件

by applelily

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript 系列四：第4課 ─ jQuery 套件</title>
    <link rel="stylesheet" href="./04_js_jquery.css">
</head>
<body>
    <h1>
     jQuery 套件
    </h1>
    <h1 class="title">
        Make me green
    </h1>
      
    <p class="para">
        Make me red
    </p>
    <p class="para">
        Me red too
    </p>
    <p class="para">
        Also me
    </p>
    <script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
    <script src="./04_js_jquery.js"></script>
</body>
</html>

CSS

.color1{
    color:green;
}

.color2{
    color:red;
}

JavaScript

$('.title').addClass('color1');
$('.para').addClass('color2');