Phase 3 · HTML, CSS & JavaScript Essentials
TopicsES6+ Features
Part of the Full Stack Developer Roadmap.
Summary
Modern JavaScript syntax — destructuring, template literals, spread/rest, optional chaining — that both your React frontend and Node backend code will lean on constantly.
How to Learn This
- 1Make a checklist of ES6+ features and confirm you're comfortable using each.
- 2Practice optional chaining (`?.`) and nullish coalescing (`??`) — they prevent a lot of defensive code.
- 3Rewrite an older piece of code using modern syntax throughout.
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