Angular is one of those frameworks where surface-level feature descriptions miss most of what's actually useful. "Component-based architecture" and "two-way data binding" are technically accurate — they're also true of a dozen other frameworks, so they don't tell you much.
What's actually worth understanding is why Angular's features are designed the way they are, and what practical problems they solve. Here's a code-first look at the seven features that shape how Angular applications actually work.
1. Two-Way Data Binding — And When Not to Use It
The classic Angular feature. The [(ngModel)] syntax (officially nicknamed "banana in a box") keeps a form field and its backing property synchronized automatically.
// app.component.ts
