table width: 100%; border-collapse: collapse; font-size: 0.95rem;
/* PDF optimized styling — clean, print-friendly, but vibrant for screen */ h1 font-size: 2.8rem; background: linear-gradient(135deg, #0f172a, #3b82f6); background-clip: text; -webkit-background-clip: text; color: transparent; margin-bottom: 0.5rem; letter-spacing: -0.02em;
body background: #e2e8f0; font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif; padding: 40px 20px; display: flex; justify-content: center; align-items: center;
<!-- Best practices & resources --> <div class="comparison" style="background: #fefce8;"> <h3>📖 Best Practices & Modern Standards</h3> <ul style="margin-left: 1.5rem; line-height: 1.6; color: #1e293b;"> <li><strong>HTML:</strong> Use semantic elements ( <code><header>, <nav>, <main>, <article></code> ) for accessibility and SEO.</li> <li><strong>CSS:</strong> Mobile-first design, CSS variables for theming, Flex/Grid for layouts, avoid !important.</li> <li><strong>JavaScript:</strong> Use modern ES6+ features (arrow functions, async/await, modules). Write clean, maintainable code.</li> <li><strong>Performance:</strong> Minimize reflows, lazy load assets, optimize images, and leverage browser caching.</li> </ul> </div> html and css and javascript pdf
<!-- Technology Overview Cards --> <div class="tech-grid"> <div class="card"> <h2><span class="html-color">🟧 HTML5</span></h2> <p><strong>HyperText Markup Language</strong> — the skeleton of every webpage. Defines content structure using elements, tags, and semantic layout.</p> <div class="code-block"> <section><br> <h1>Hello World</h1><br> <p>Semantic & accessible.</p><br> </section> </div> </div> <div class="card"> <h2><span class="css-color">🎨 CSS3</span></h2> <p><strong>Cascading Style Sheets</strong> — brings designs to life. Flexbox, Grid, animations, responsive layouts and visual harmony.</p> <div class="code-block"> .card <br> display: flex;<br> background: linear-gradient(135deg, #fff, #f0f9ff);<br> border-radius: 1.5rem;<br> </div> </div> <div class="card"> <h2><span class="js-color">⚡ JavaScript</span></h2> <p><strong>ECMAScript</strong> — the brain of the web. Dynamic interactions, data fetching, DOM manipulation, and modern frameworks.</p> <div class="code-block"> const greet = () => <br> alert('Hello, Web Dev!');<br> ;<br> document.querySelector('.btn').onclick = greet; </div> </div> </div>
<div class="pdf-article" id="pdfContent"> <!-- PDF Generation Toolbar (hidden when printing) --> <div class="pdf-toolbar" id="pdfToolbar"> <button class="pdf-btn" id="saveAsPdfBtn">📄 Save as PDF / Print</button> <button class="pdf-btn" id="optimizePrintBtn">🖨️ Print Guide</button> </div>
function showRandomFact() const randomIndex = Math.floor(Math.random() * facts.length); outputDiv.innerHTML = `✨ $facts[randomIndex] ✨`; // Add a subtle animation effect (just for fun) outputDiv.style.transition = "0.2s"; outputDiv.style.backgroundColor = "#fef9c3"; setTimeout(() => outputDiv.style.backgroundColor = "#f1f5f9"; , 400); table width: 100%; border-collapse: collapse; font-size: 0
<!-- Responsive design tip --> <div style="background: #e6f7ff; border-radius: 1rem; padding: 1rem; margin: 1.5rem 0;"> <h3>📱 Responsive Design Tip</h3> <p>Use <strong>CSS Media Queries</strong> to adapt layout for phones, tablets and desktops. Combine with relative units (rem, vw, %).</p> <div class="code-block" style="background: #1e293b;"> @media (max-width: 768px) <br> .tech-grid flex-direction: column; <br> h1 font-size: 2rem; <br> </div> </div>
<script> (function() // --- Interactive demo functionality (within PDF view) --- const demoBtn = document.getElementById('demoActionBtn'); const outputDiv = document.getElementById('dynamicOutput'); const toggleBtn = document.getElementById('styleToggleBtn'); let highlightActive = false;
.interactive-btn background: #3b82f6; border: none; color: white; padding: 8px 20px; border-radius: 40px; font-weight: bold; cursor: pointer; transition: 0.15s; font-size: 0.9rem; CSS frameworks: Tailwind, Bootstrap
<!-- Ecosystem mention --> <div style="margin-top: 2rem;"> <h3>🌐 Modern Ecosystem Snapshot</h3> <p>Frameworks & Libraries: React, Vue, Angular (component-based UIs). CSS frameworks: Tailwind, Bootstrap. Build tools: Vite, Webpack. TypeScript adds type safety to JS.</p> </div>
<!-- Advanced code snippet section --> <div style="margin: 2rem 0 1rem;"> <h3>📌 Full Mini Project Example: Interactive Greeting</h3> <div class="code-block"> <pre><!-- HTML --> <div id="app"> <input type="text" id="nameInput" placeholder="Your name" /> <button id="greetBtn">Greet me</button> <p id="message"></p> </div>