Skip to main content

Featured Post

What’s new in C# 14.0

  Features of C# 14.0  🧩 1️⃣ Field-backed Properties (0:40 – 1:00) Pehla feature hai — Field-backed Properties Ab aapko manually private field likhne ki zarurat nahi. C# 14 mein ek naya contextual keyword aaya hai — field public string Name { get ; set => field = value ?? throw new ArgumentNullException( nameof ( value )); } Yahaan field compiler-generated backing field ko represent karta hai. Validation ya logic likhna ab super easy ho gaya hai! 🧩 2️⃣ Extension Members (1:00 – 1:25) Dusra feature — Extension Members Pehle hum sirf extension methods bana sakte the, ab hum properties , events , aur static members bhi extend kar sakte hain! public static class StringExtensions { public static int WordCount ( this string str) => str.Split( ' ' ).Length; } Ab koi bhi string par .WordCount() laga ke result le sakte ho — reusability aur readability dono badh gayi! 💪 🧩 3️⃣ Null-Conditional Assignment (1:25 – 1:50) ...

Routing in React JS


Routing is used to create a navigation path in react js application.

now I have created two-component one for addition and another for prime number and navigate this component from the app.js file.

React JS navigation is mandatory, without navigation we can not create a multi-page web application.

React JS provides react-router-dom to implement navigation properties from one component to another.

step for navigation

1)  Open a terminal and write the following command

npm install react-router-dom

2)  Complete code of app.js file

import logo from './logo.svg';

import './App.css';
import React, { Component }  from 'react';
import ReactDOM from "react-dom";
import { BrowserRouter, Routes, Route } from "react-router-dom";
import { Design } from './Design';
import { Info } from './Info';
import Hello  from './Hello';
import Gallery  from './Gallery';
import Services  from './Services';
function App() {
  return (
    <BrowserRouter>
      <Routes>
        <Route path="/" element={<Design />}>
         
          <Route path="blogs" element={<Hello />} />
          <Route path="info" element={<Info />} />
          <Route path="gallery" element={<Gallery />} />
          <Route path="services" element={<Services />} />
          </Route>
      </Routes>
    </BrowserRouter>
   
  );
}

export default App;


3)  Create two  Components for blogs and info

4)    Create Design.js

import React from "react"
import {Header} from "./Header"
import {Footer} from "./Footer"
import { Outlet } from "react-router-dom";
export class Design extends React.Component
{
   
    render(){
        return(
          <div>
             <Header />
              <section>
              <Outlet />    
              </section>
              <Footer />
             
          </div>

        );

    }

}

5) Create Gallery.js

import React, { Component }  from 'react';
function Gallery()
{
    return(<div>
       <h1>Welcome in Gallery </h1>
       <div style={{float:'left'}}><img src="kang.png" height="300"  /></div>
       <div style={{float:'right'}}><iframe width="560" height="315" src="https://www.youtube.com/embed/hF8LIfYfQzo" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen /></div>
       
       

    </div>);
}

export default Gallery;

6)

import React, { Component }  from 'react';
function Services()
{
    return(<div>
       <h1>Welcome in Services </h1>

    </div>);
}

export default Services;

5)  Create Two Components Header.js and Footer.js

import React from "react"
import { Link } from "react-router-dom";
export class Header extends React.Component
{
   
    render(){
        return(
          <div>
              <header>
              <nav>
        <ul>
          <li>
            <Link to="/">Home</Link>
          </li>
          <li>
            <Link to="/blogs">Blogs</Link>
          </li>
          <li>
            <Link to="/info">Contact</Link>
          </li>
        </ul>
      </nav>
              </header>
             
          </div>

        );

    }

}


Footer.js
import React from "react"
export class Footer extends React.Component
{
   
    render(){
        return(
          <div>
             
              <footer>
                      Footer    
              </footer>
          </div>

        );

    }

}

Index.JS

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';

//const x = 11
//var result = <p>{ x%2==0?"even":"odd"}</p>
//const x = ['C','CPP','DS','JAVA','PHP']
ReactDOM.render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
  document.getElementById('xyz')
);
//ReactDOM.render(result,document.getElementById('xyz'));

// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();

Comments

Popular posts from this blog

Conditional Statement in Python

It is used to solve condition-based problems using if and else block-level statement. it provides a separate block for  if statement, else statement, and elif statement . elif statement is similar to elseif statement of C, C++ and Java languages. Type of Conditional Statement:- 1) Simple if:- We can write a single if statement also in python, it will execute when the condition is true. for example, One real-world problem is here?? we want to display the salary of employees when the salary will be above 10000 otherwise not displayed. Syntax:- if(condition):    statements The solution to the above problem sal = int(input("Enter salary")) if sal>10000:     print("Salary is "+str(sal)) Q)  WAP to increase the salary of employees from 500 if entered salary will be less than 10000 otherwise the same salaries will be displayed. Solution:- x = int(input("enter salary")) if x<10000:     x=x+500 print(x)   Q) WAP to display th...

DSA in C# | Data Structure and Algorithm using C#

  DSA in C# |  Data Structure and Algorithm using C#: Lecture 1: Introduction to Data Structures and Algorithms (1 Hour) 1.1 What are Data Structures? Data Structures are ways to store and organize data so it can be used efficiently. Think of data structures as containers that hold data in a specific format. Types of Data Structures: Primitive Data Structures : These are basic structures built into the language. Example: int , float , char , bool in C#. Example : csharp int age = 25;  // 'age' stores an integer value. bool isStudent = true;  // 'isStudent' stores a boolean value. Non-Primitive Data Structures : These are more complex and are built using primitive types. They are divided into: Linear : Arrays, Lists, Queues, Stacks (data is arranged in a sequence). Non-Linear : Trees, Graphs (data is connected in more complex ways). Example : // Array is a simple linear data structure int[] number...

Top 50 Most Asked MERN Stack Interview Questions and Answers for 2025

 Top 50 Most Asked MERN Stack Interview Questions and Answers for 2025 Now a days most of the IT Company asked NODE JS Question mostly in interview. I am creating this article to provide help to all MERN Stack developer , who is in doubt that which type of question can be asked in MERN Stack  then they can learn from this article. I am Shiva Gautam,  I have 15 Years of experience in Multiple IT Technology, I am Founder of Shiva Concept Solution Best Programming Institute with 100% Job placement guarantee. for more information visit  Shiva Concept Solution 1. What is the MERN Stack? Answer : MERN Stack is a full-stack JavaScript framework using MongoDB (database), Express.js (backend framework), React (frontend library), and Node.js (server runtime). It’s popular for building fast, scalable web apps with one language—JavaScript. 2. What is MongoDB, and why use it in MERN? Answer : MongoDB is a NoSQL database that stores data in flexible, JSON-like documents. It...