React Js Form Validation Best Practice Example

In this quick example i will discuss about simple form validation using React js. So in this React JS form validation example tutorial you will learn it from scratch. All time it is good to validate form data before submit. So in this react js form validation tutorial we will learn how we can validate form in react js.

Form validation is a key part of any application. We always need to add input validation when we are adding form in application. There is some simple validation like require, email, phone number, only number validation are almost we need to add in our application. When ever user enter wrong input type in input field then we need to display error messages.

So, here i will give you step by step guide of how to add bootstrap form validation in react js. In this following react js simple form validation tutorial we will take name, email and comment input and add validation for require and email now. If something wrong happen then we will display error messages if they enter wrong values. 

 

Step 1: Install React Application

In this step we need to install  react js fresh app using bellow command, So install it by the following command.

npx create-react-app test-app

 

Step 2:  Create Test Component

In this step, we will create Test.js component file and we will write code of form validation. so let's add code as bellow:

src/Test.js

 

Recommended  : React Js Axios Post Request Example Tutorial

 

Step 3: Import Component

In this step, we will import Test component in index.js main file. so let's update index.js file as bellow:

src/index.js


import React from 'react';
import ReactDOM from 'react-dom';
import * as serviceWorker from './serviceWorker';
import 'bootstrap/dist/css/bootstrap.min.css';
  
import Test from './Test';

ReactDOM.render(
  < React.StrictMode >
    < div className="container" >
       < Test />
    < / div  >
  < / React.StrictMode  >
  document.getElementById('root')
);
  

 

Now all are set to and we are ready to run our application, so let's run using bellow command:

npm start

 

Open bellow url:

http://localhost:3000

 

Hope this react js form validation tutorial will help you.