front end 🔚
Here’s a structured list of essential front-end developer contents, including concepts, tools, and technologies you should learn or know if you're aiming to become (or grow as) a front-end developer in 2025: --- 🧠1. Core Web Fundamentals These are the building blocks of the web. HTML (HyperText Markup Language) Semantic HTML Forms and input types Accessibility basics (ARIA) CSS (Cascading Style Sheets) Box model Positioning (static, relative, absolute, fixed, sticky) Flexbox & Grid Media queries (Responsive Design) Transitions, animations Custom properties (CSS variables) Preprocessors (SASS/SCSS - optional) JavaScript (JS) Variables, data types Functions, arrays, objects ES6+ features (let/const, arrow functions, destructuring, spread/rest) DOM manipulation Event handling Fetch API / Async-Await / Promises JSON Modules (import/export) --- ⚛️ 2. Front-End Frameworks & Libraries React.js (most popular in 2025) JSX Components (functional & class-based) Props & State...