Coding_knowledge

✅ Web Development Basics You Should Know 🌐💡 Understanding the foundations of web development is the first step toward building websites and web apps. 1️⃣ What is Web Development? Web development is the process of creating websites and web applications. It includes everything from a basic HTML page to full-stack apps. Types of Web Dev: - Frontend: What users see (HTML, CSS, JavaScript) - Backend: Server-side logic, databases (Node.js, Python, etc.) - Full Stack: Both frontend + backend 2️⃣ How the Web Works When you visit a website: - The browser (client) sends a request via HTTP - The server processes it and sends back a response (HTML, data) - Your browser renders it on the screen Example: Typing www.example.com sends a request → DNS resolves IP → Server sends back the HTML → Browser displays it 3️⃣ HTML (HyperText Markup Language) Defines the structure of web pages.

<h1>Welcome</h1>
<p>This is my first website.</p>

*4️⃣ CSS (Cascading Style Sheets)* Adds *style* to HTML: colors, layout, fonts.

h1 {
  color: blue;
  text-align: center;
}

*5️⃣ JavaScript (JS)* Makes the website *interactive* (buttons, forms, animations).

<button onclick="alert('Hello!')">Click Me</button>

*6️⃣ Responsive Design* Using *media queries* to make websites mobile-friendly.

@media (max-width: 600px) {
  body {
    font-size: 14px;
  }
}

*7️⃣ DOM (Document Object Model)* JS can interact with page content using the DOM.

document.getElementById("demo").innerText = "Changed!";

*8️⃣ Git & GitHub* Version control to track changes and collaborate.

git init  
git add .  
git commit -m "First commit"  
git push  

*9️⃣ API (Application Programming Interface)* APIs let you pull or send data between your app and a server.

fetch('https://api.weatherapi.com')
  .then(res => res.json())
  .then(data => console.log(data));

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Age of Programming Languages👨🏻‍💻 🦅 Swift (11 years old) (2014) 🚀 Kotlin (13 years old) (2011) 🦀 Rust (14 years old) (2010) 🐹 Go (15 years old) (2009) 🔷 TypeScript (12 years old) (2012) 🎸 C# (24 years old) (2000) 💎 Ruby (29 years old) (1995) ☕ Java (29 years old) (1995) 🌐 JavaScript (29 years old) (1995) 🐘 PHP (30 years old) (1994) 🐍 Python (34 years old) (1991) 🐪 Perl (37 years old) (1987) 🚀 C++ (39 years old) (1985) 📱 Objective-C (40 years old) (1984) 🔍 Prolog (52 years old) (1972) 🗣️ Smalltalk (52 years old) (1972) 🖥️ C (52 years old) (1972) 📝 Pascal (54 years old) (1970) 🎓 BASIC (60 years old) (1964) 💼 COBOL (65 years old) (1959) 🤖 Lisp (66 years old) (1958) 📜 Fortran (67 years old) (1957) React ❤️ For More

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