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React JS

Computer Science

Chapter 5 — Events and Forms in React

Progress: 46%

Lesson 5.4 : Form Validation

Reading & Interactive Lesson

Lesson 5.4 FREE

Form Validation

Reading Material & Notes

Form Validation

Form validation checks whether user-entered data satisfies application requirements.

Common Validation Rules

Required fields
Valid email format
Password length
Minimum and maximum values
Matching confirmation fields

Validation can be implemented manually or with libraries designed for form management.

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Course Curriculum

10 Chapters • 50 Lessons

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Chapter 1 — Introduction to React JS

5 Lessons

FREE

Lesson 1.1 : What is React JS?

Lesson 1.2 : Features of React

Lesson 1.3 : React vs Traditional JavaScript

Lesson 1.4 : React Components Overview

Lesson 1.5 : Applications of React JS

Chapter 2 — React Environment and Project Setup

5 Lessons

FREE

Lesson 2.1 : Installing Node.js and npm

Lesson 2.2 : Creating a React Project

Lesson 2.3 : React Project Folder Structure

Lesson 2.4 : Running a React Development Server

Lesson 2.5 : React Dependencies and package.json

Chapter 3 — JSX and React Components

5 Lessons

FREE

Lesson 3.1 : Introduction to JSX

Lesson 3.2 : JSX Expressions

Lesson 3.3 : Creating Functional Components

Lesson 3.4 : Reusable Components

Lesson 3.5 : Rendering Lists and Conditional Content

Chapter 4 — Props and State

5 Lessons

LOCKED

Lesson 4.1 : Introduction to Props

ENROLL

Lesson 4.2 : Understanding React State

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Lesson 4.3 : Props vs State

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Lesson 4.4 : Passing Data Between Components

ENROLL

Lesson 4.5 : Lifting State Up

ENROLL

Chapter 5 — Events and Forms in React

5 Lessons

LOCKED

Lesson 5.1 : Handling Events in React

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Lesson 5.2 : Handling Input Fields

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Lesson 5.3 : React Forms

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Lesson 5.4 : Form Validation

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Lesson 5.5 : Building a Registration Form

ENROLL

Chapter 6 — React Hooks

5 Lessons

LOCKED

Lesson 6.1 : Introduction to React Hooks

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Lesson 6.2 : useState Hook

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Lesson 6.3 : useEffect Hook

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Lesson 6.4 : useRef Hook

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Lesson 6.5 : Custom Hooks

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Chapter 7 — Conditional Rendering and Lists

5 Lessons

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Lesson 7.1 : Introduction to React Router

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Lesson 7.2 : Creating React Routes

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Lesson 7.3 : Navigation with Link

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Lesson 7.4 : Route Parameters

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Lesson 7.5 : Protected Routes

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Chapter 8 — React Routing and Navigation

5 Lessons

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Lesson 8.1 : Introduction to APIs

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Lesson 8.2 : Fetching Data with fetch()

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Lesson 8.3 : API Data with useEffect

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Lesson 8.4 : Loading and Error States

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Lesson 8.5 : CRUD Operations with React API

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Chapter 9 — API Integration and State Management

5 Lessons

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Lesson 9.1 : Understanding State Management

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Lesson 9.2 : React Context API

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Lesson 9.3 : useReducer Hook

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Lesson 9.4 : Redux Overview

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Lesson 9.5 : Managing Authentication State

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Chapter 10 — React Projects and Deployment

5 Lessons

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Lesson 10.1 : Planning a React Project

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Lesson 10.2 : Building a React Dashboard

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Lesson 10.3 : Optimizing a React Application

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Lesson 10.4 : Building Production Version

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Lesson 10.5 : Deploying a React Application

ENROLL

React JS

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