JavaScript
JavaScript
June 15, 2025 at 09:12 AM
*🟨 JavaScript Guide for Freshers – Start from Scratch! 💻✨* If you’re new to programming and want to become a web developer, learning JavaScript is a must. Here's how to begin: *🔰 1. What is JavaScript?* – JS is a client-side scripting language used to add interactivity to websites – Runs in browsers like Chrome, Firefox, etc. *🔰 2. Learn the Basics* – Variables: `let`, `const`, `var` – Data types: String, Number, Boolean, null, undefined – Operators: +, -, *, /, %, ===, &&, || – Practice writing simple scripts in your browser console *🔰 3. Control Structures* – if/else, switch – Loops: `for`, `while`, `do…while` 📌 *Mini task:* Print numbers 1 to 10 using a loop *🔰 4. Functions in JavaScript* – Declare using `function` keyword – Understand parameters, return values – Arrow functions `() => {}` 📌 *Build:* Calculator functions (add, subtract) *🔰 5. Arrays & Objects* – Store and access multiple values – Loop through arrays with `for` or `forEach` – Access object properties using dot/bracket notation 📌 *Practice:* Manage a student list with name & marks *🔰 6. DOM Manipulation* – Use `document.querySelector()` to access elements – Change content using `.innerText` or `.innerHTML` – Add event listeners like `onclick`, `oninput` 📌 *Mini project:* Create a button that changes text when clicked *🛠 7. Bonus for Beginners* – Learn to debug in Chrome DevTools – Try small projects: ✔️ Counter App ✔️ To-Do List ✔️ Form Validator *🌱 Tips for Freshers:* ✔️ Practice daily on CodePen or JSFiddle ✔️ Break big problems into small parts ✔️ Make Google your best friend ✔️ Don’t just copy code—understand it 💬 *React ❤️ for more!*
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