Topics

Structuring frontend applications and defining boundaries between their parts.

Reusable solutions to recurring frontend development problems.

Building reusable, maintainable user interface components.

Managing application state, stores, and reactive updates.

Moving and synchronizing data across an application.

Designing and integrating REST, GraphQL, and other application APIs.

Loading remote data and handling requests, errors, and loading states.

Building forms and managing user input.

Checking input and data against application rules and schemas.

Mapping URLs to views and managing application routes.

Helping users move through interfaces and application content.

Sign-in flows, user identity, and session management.

Permissions, roles, and access control in frontend applications.

Applying CSS and styling strategies to user interfaces.

Arranging interface elements with grids, flexbox, and other layout techniques.

Creating fluid interfaces that respond to available screen space.

Tailoring interfaces to specific devices, contexts, and capabilities.

Fonts, text hierarchy, readability, and type rendering on the web.

Color systems, palettes, contrast, and color use in interfaces.

Motion, transitions, and animated user interfaces.

User input, gestures, feedback, and interactive behavior.

Making interfaces usable with assistive technologies and diverse input methods.

Designing experiences for people with diverse needs and backgrounds.

Measuring and improving application speed and responsiveness.

Reducing unnecessary work, resource use, and delivery costs.

Rendering application pages on the server.

Connecting client-side behavior to server-rendered markup.

Storing and reusing data and resources with appropriate invalidation.

Building applications that work with limited or unavailable connectivity.

Unit, integration, component, and end-to-end testing.

Readability, maintainability, standards, and static analysis.

Investigating bugs with developer tools and diagnostic techniques.