[React for Beginners] A complete guide to creating a ToDo list app! Even beginners can implement it right away

programming

Creating a "ToDo list app" with ReactThe best way to learn the basics of React and build a working appis.
Many people are probably worried about things like, "I started learning React, but I don't know what to create," or "It's difficult to distinguish between props and state."
In this article,This article introduces the steps to create a ToDo app from scratch, even for beginners, while fully understanding how React works.I will.
So that anyone can implement it,Includes code, easy-to-read structure, and includes important pointsWe are doing it.

Guide to building a React to-do list app

Conclusion: A ToDo app is the best way to learn React

In learning React,Props, state, components, and event handlingYou need to have a good balance of these things.
A ToDo app is a typical example that utilizes all of these.Beginners can understand React in the shortest time possibleThis is the configuration.
The biggest benefit is that you can learn to use React while you create.

Preparation and environment setup with React

Installing Node.js and npm

To use React, you first need Node.js and npm (package management).
Please install it from the official website below.

  • https://nodejs.org/ja/

How to check:

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Create an app with Create React App

Create React App is a useful tool for automatically generating React templates.

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At this point, you should have the foundation for a working React app.

Functional design required for a ToDo app

Identifying basic functions

At a minimum, a ToDo app needs the following features:

  • Adding a task
  • Delete a task
  • Toggle between completed and incomplete tasks
  • Switch between incomplete and completed status (optional)

Before actually making it,Which components handle which functionality?Keeping things simple will make implementation go more smoothly.

How to divide components

Dividing it into the following makes it easier to manage:

  • App component: Overall management
  • TodoInput component: Input field and button
  • TodoList component: List display
  • TodoItem component: Displaying individual tasks and a delete button

Like thisDivide into smaller functional unitsThis makes the code easier to read and extend later.

Ability to add tasks

Create a TodoInput component and place the input form and button.

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(
    
      
        
               
      
    
  );
};

List and delete tasks

We will implement list display and deletion functions using TodoItem and TodoList.

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Managing state with the App component

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(
    
      
       />
       />
    
  ); };

Points to improve after completion

Adding Styles

By adding design elements using CSS or Tailwind CSS, the UI becomes more practical.

Data storage

Tasks are persisted across reloads using localStorage or an external API.

Check and filter functions

You can also add status management to indicate whether a task is completed or not, as well as filter functions later.

Summary: Improve your skills with React ToDo

By creating a ToDo app with React,State management, component design, and event handlingYou will acquire the three fundamentals:
It is especially recommended for beginners as it allows you to achieve a sense of accomplishment in a short amount of time.
Creating a working app will also increase your motivation to learn.

Please try adding your own touches and creating your own ToDo app.

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