feb-2025-introduction-to-javascript-and-dom-manipulation-J-MUNYI/JS at main · PLP-WebTechnologies/feb-2025-introduction-to-javascript-and-dom-manipulation-J-MUNYI · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>DOM Interaction Example</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            padding: 20px;
            background-color: #f0f4f8;
        }
        #dynamicText {
            color: #0077cc;
            font-size: 1.2rem;
            margin-bottom: 15px;
        }
        .highlight {
            background-color: yellow;
            padding: 5px;
            border-radius: 4px;
        }
    </style>
</head>
<body>

    <header>
        <h1>JavaScript DOM Manipulation</h1>
    </header>

    <main>
        <section>
            <p id="dynamicText">Click the button to change this text and style.</p>
            <button onclick="changeText()">Change Text & Style</button>
        </section>

        <section style="margin-top: 20px;">
            <button onclick="addItem()">Add Item</button>
            <button onclick="removeItem()">Remove Item</button>
            <ul id="itemList">
                <li>Item 1</li>
                <li>Item 2</li>
            </ul>
        </section>
    </main>

    <footer style="margin-top: 40px;">
        <p>&copy; 2025 DOM Tutorial. All rights reserved.</p>
    </footer>

    <!-- Link JavaScript File -->
    <script src="script.js"></script>
</body>
</html>
script.js — DOM Interaction Logic
javascript
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function changeText() {
    const text = document.getElementById('dynamicText');
    text.textContent = 'Text has been changed! ';
    text.classList.toggle('highlight');
}

function addItem() {
    const ul = document.getElementById('itemList');
    const newItem = document.createElement('li');
    newItem.textContent = `Item ${ul.children.length + 1}`;
    ul.appendChild(newItem);
}

function removeItem() {
    const ul = document.getElementById('itemList');
    if (ul.children.length > 0) {
        ul.removeChild(ul.lastElementChild);
    }
}