What is JavaScript?
What to Learn
- Variables, data types, and operators
- Functions and scope
- DOM manipulation and events
- ES6+ features (arrow functions, destructuring, modules)
- Asynchronous JavaScript (Promises, async/await)
- Error handling and debugging
Career Relevance
JavaScript proficiency is non-negotiable for frontend roles. Deep understanding of JavaScript fundamentals sets apart senior developers and is prerequisite for learning frameworks like React.