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Sunday, September 26, 2021
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Reactjs Add Delete Row on Button Click Using UseState Hook

Reactjs Add Delete Row on Button Click Using UseState Hook

Hello friends, welcome back to my blog. Today in this blog post, I am going to show you, Reactjs Add Delete Row on Button Click Using UseState Hook.

Guys in this post we will below things:

  1. React js useState hook.
  2. We will add and delete table rows dynamically.
  3. useState is a Hook that allows you to have state variables in functional components

Rectjs Hooks
Reactjs Add Delete Row on Button Click Using UseState Hook
Reactjs Add Delete Row on Button Click Using UseState Hook

For reactjs new comers, please check the below link:

Reactjs Basic Tutorials


Friends now I proceed onwards and here is the working code snippet and please use this carefully to avoid the mistakes:

1. Firstly, we need fresh reactjs setup and for that, we need to run below commands into out terminal and also we should have latest node version installed on our system:

npx create-react-app reacthooks

cd reacthooks

npm start

2. (Optional, I have used for better looks of table)Now we need to run below commands into our project terminal to get bootstrap and related modules into our reactjs application:

npm install bootstrap --save

npm start //For start project again

3. Finally for the main output, we need to add below code into our reacthooks/src/App.js file or if you have fresh setup then you can replace reacthooks/src/App.js file code with below code:

import React, { useState } from "react";
import './App.css';
//Bootstrap
import 'bootstrap/dist/css/bootstrap.min.css';
export default function App() {

  //use of hook for couting
  const [noOfRows, setNoOfRows] = useState(1);
  return (
    <div className="app container p-5">
      <h1 className="p-5">Reactjs Add Delete Row on Button Click Using UseState Hook</h1>
      <table class="table table-hover table-bordered p-5">
        <thead>
          <tr>
            <th scope="col">#</th>
            <th scope="col">First</th>
            <th scope="col">Last</th>
            <th scope="col">Handle</th>
          </tr>
        </thead>
        <tbody>
        {[...Array(noOfRows)].map((elementInArray, index) => {
         
              return (
                <tr>
                <th scope="row">{index}</th>
                <td>Mark</td>
                <td>Otto</td>
                <td>@mdo</td>
              </tr>
                );
            })}

            
            </tbody>
            </table>
            <button type="button" class="btn btn-primary me-3" onClick={() => setNoOfRows(noOfRows + 1)}>Add</button>
            <button type="button" class="btn btn-danger" onClick={() => setNoOfRows(noOfRows - 1)}>Delete</button>
       </div>
  );
}

Now we are done friends. If you have any kind of query or suggestion or any requirement then feel free to comment below.

Note: Friends, I just tell the basic setup and things, you can change the code according to your requirements.

I will appreciate that if you will tell your views for this post. Nothing matters if your views will be good or bad.

Jassa

Thanks

Ajay Malhotra
the authorAjay Malhotra
Hello to all. Welcome to therichpost.com. Myself Ajay Malhotra and I am freelance full stack developer. I love coding. I know WordPress, Core php, Angularjs, Angular 2, Angular 6, Angular 7, Angular 8, Angular 9, Angular 10, Angular 11, Angular12, Bootstrap 5, Nodejs, Laravel, Codeigniter, Shopify, Squarespace, jQuery, Google Map Api, Vuejs, Reactjs, Big commerce etc.

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