Frontend CRUD Workflows & UX Refinement

Artificial Intelligence

Complete the app with full CRUD workflows and polished UX. Implement forms, API client logic, create/edit/delete flows, and optimistic updates. Add confirmation modals, global loading/error handling, and refine interactions so the app feels fast, consistent, and production-ready.

Codex

Nextjs

React

TypeScript

See path

3 lessons

9 practices

1 hour

Course details

Forms and API Basics

Preview

Build the Input Primitive for Forms

TaskForm Shell with Validation Intent

Introduce apiClient and Prepare the Create Flow

Previous Course

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Francisco Aguilar Meléndez

Data Scientist

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11