React JS: Build 6 Real-World React Apps with AI Integration

Discover the basics of React, its component-based architecture, the virtual DOM, JSX, server components in React 19, and unidirectional data flow, with a practical hello world rendering example.

Discover how the virtual DOM powers efficient React updates by reconciling an in-memory DOM, diffing changes, and updating only the affected real DOM for faster, smoother interfaces.

Explore JSX in React, learning how HTML-like syntax compiles to React.createElement, enables dynamic UI with JavaScript expressions, and supports conditional rendering for real-world components.

Explore functional and class components in React, learn how props pass data from parent to child, and use nested components to build modular, reusable UIs.

Learn how state and lifecycle work in React, using the useState and useEffect hooks to manage local component state, handle side effects, and enable efficient rerendering.

Explore how to render content conditionally in React using if statements, ternary operators, and the logical and operator to create responsive user interfaces that adapt to state and props.

Learn how React handles events—from onClick to onChange and onSubmit—using a synthetic cross-browser system and state management to build interactive interfaces with inputs and forms.

Build six real-world React apps from scratch, starting with an AI chatbot featuring a minimal start page, real-time chat, typing indicator, emoji picker, local storage, and responsive design.

Learn to set up a React project with Vit, install NodeJS and npm, initialize an AI chatbot app, organize a clean src and public structure, and run the dev server.

Create and customize the chatbot start page as the entry point, integrating icons and fonts, and style the JSX start component for a welcoming, functional user experience.

Develop and customize the chatbot page in a React app by building the JSX, chat window, prompts, responses, and a styled message form for a user-friendly UI.

Set up an is-chatting state to switch between the start page and the chat page, using handle start chat and handle go back, and render components conditionally.

Learn to build an interactive chat feature in a React app by managing chat state, handling user input, and sending and displaying messages with enter-to-send and dynamic UI.

Create new chats, manage the active chat, and delete chats in a React AI chat app by implementing active chat state, unique ids with uuid, and dynamic chat list updates.

Fixes new chat creation by updating App.jsx to accept an optional initial message and updating the chatbot app to create a new chat when no active chat exists.

Integrate the ChatGPT API into a React app to power an AI chat with dynamic responses, typing indicators, and smooth auto-scrolling, using GPT-3.5 turbo and OpenAI API keys.

Add an emoji picker to the chat form in a React app using the emoji mod library, managing its visibility with state and appending selected emojis to the input.

Persist chat history across sessions by saving chats and messages to browser local storage, using set item and get item with JSON stringify and parse to load active chat.

Make a chat app responsive across devices with media queries and a toggle menu. Preserve chat history with local storage and manage state for the chat list visibility.

Build a live weather app with React.js that fetches real-time data from an API, displays location-based weather in Celsius with humidity and wind, uses dynamic backgrounds, and handles invalid locations.

Install node.js and bootstrap a react app with vite, create a weather app project, install node modules, run dev at localhost:5174, and organize components, css, and assets.

Create JSX by mixing JavaScript and HTML in React, using className for styling, and build a weather app interface with Font Awesome icons, imported images, and hardcoded data.

Style the weather app with global styles and a Google font, set rem-based sizing, center content with flexbox, apply gradient backgrounds, and craft gradient text for temperature.

Fetch real-time weather data from the open weather map API using a city URL and api key, and display London’s weather in Celsius (metric) with async/await and React useState.

Display weather details for dynamic locations by updating the url with user input, handling changes and enter key, rendering temperature, humidity, wind, weather type, and a default location on load.

Map weather types to corresponding images and backgrounds with a weather images object and a background images object, selecting via data.weather and a ternary operator.

Make the date dynamic by creating current date, days of week and months arrays, compute day and month with getDay and getMonth, and render a formatted date in jsx.

Handle bad requests by checking response codes and displaying a not found message, while integrating a loader gif with a loading state to improve user feedback during searches.

Build a React quotes app that fetches quotes from the quotable API, displays text and author, and lets you add to favorites, delete, and scroll through a responsive gradient UI.

Build a quotes page in a React JS project using JSX and className, with box icons, hard-coded quotes and authors, and CSS-based styling for a polished UI.

Fetch quotes from the quotable API, manage dynamic quote data with React state, and display text and author using an async fetch pattern and a new quote button.

Create the favorites section using JSX, with a favorites container, close and delete controls, five quotes and the author John Kennedy, styled with css gradients, flex layout, and navigation.

Make the code generator app responsive across desktop, tablet, and mobile by implementing CSS media queries, adjusting fonts, aspect ratios, button layouts, and a customized favorites scrollbar.

Build a fully functional calendar app in React from scratch to view and navigate months and years, select dates, and add, edit, or delete events with a responsive pop-up.

Set up a react app with veet after installing Node.js and npm, create the calendar app component with jsx and css, and run the dev server.

Create the app's JSX by using className, building a calendar layout with header, navigation, weekdays, days, and an events section, including a pop-up with time, text inputs, and box icons.

Explore how to customize and style a React calendar app, applying global styles, Google fonts, rem-based sizing, grid and flex layouts, and responsive calendar, events, and pop up components.

Render a dynamic calendar in React by computing days in the current month and the first day, managing month and year state, and enabling previous and next month navigation.

Display and manage the event popup for current or future dates, and add events with date, time, and text using state, handlers, and a live events list.

Edit and delete events in a React calendar app by managing editing state, preserving ids, updating, and sorting the events, while handling time inputs.

Make the calendar app responsive across desktop, tablet, and mobile by applying CSS media queries, adjusting flex direction, aspect ratios, and centered layouts, with clamp-based sizing for inputs and popups.

Build a responsive React news app featuring a header logo, category navigation, and a news grid that fetches articles via Axios from the News API; view details in a modal.

Fetch real-time news from the Genius API and render a dynamic headlines section and a six-article grid in a React app using Axios, useState, and useEffect, with category filtering.

Build a dynamic news modal in React by creating a NewsModel component, styling a modal overlay, and managing show and selected article state with props show, article, and onClose.

Make the React news app responsive across desktop, tablet, and mobile by implementing CSS media queries at 1400, 900, 500, and 400 px, adapting logo, navigation, and the news grid.

Build a translator app with React.js and Tailwind CSS, featuring a start screen and main translator, language selection, text areas, character limits, and translation via the Mymemory API.

Set up a React app with Veet and Tailwind CSS, install PostCSS and Autoprefixer, configure Tailwind, and scaffold two components to start building the translator app.

Build modular UI components in a React app by styling with Tailwind CSS, creating a translator interface with gradient backgrounds, flex layouts, and reusable directives.

Implement language selection in a React app by managing state with useState, displaying a language list from languages data file, and selecting source and target languages with a swap feature.

Build a functional translator app in React by integrating the MyMemory API, managing input and translated text with state, handling user interactions, and ensuring responsive UI with Tailwind CSS.