React Advanced - Class 5

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Lecture 63 :- React Advanced - Class 5

In "React Advanced - Class 5," we'll continue exploring more advanced React concepts and build on what we learned in the previous classes. We'll cover topics such as server-side rendering (SSR) with React, integrating with state management libraries, and handling advanced performance optimizations.

Step 1: Server-Side Rendering (SSR) with React

Server-Side Rendering is a technique that renders React components on the server and sends the fully rendered HTML to the client, improving the initial page load time and SEO.

For server-side rendering in React, you can use libraries like Next.js or react-server.

Step 2: Integrating with State Management Libraries (e.g., Redux)

State management libraries like Redux are commonly used with React to manage the application's state and handle complex data flow.

Here's a basic example of integrating Redux with React:

  1. Install Redux and React Redux:

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npm install redux react-redux

  1. Create a Redux store:

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// store.js import { createStore } from 'redux'; import rootReducer from './reducers'; const store = createStore(rootReducer); export default store;

  1. Create reducers and combine them:

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// reducers/themeReducer.js const initialState = {  theme: 'light', }; const themeReducer = (state = initialState, action) => {  switch (action.type) {    case 'TOGGLE_THEME':      return {        ...state,        theme: state.theme === 'light' ? 'dark' : 'light',      };    default:      return state;  } }; export default themeReducer;

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// reducers/index.js import { combineReducers } from 'redux'; import themeReducer from './themeReducer'; const rootReducer = combineReducers({  theme: themeReducer, }); export default rootReducer;

  1. Wrap your application with Provider:

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// index.js import React from 'react'; import ReactDOM from 'react-dom'; import { Provider } from 'react-redux'; import store from './store'; import App from './App'; ReactDOM.render(  <Provider store={store}>    <App />  </Provider>,  document.getElementById('root') );

  1. Connect components with Redux:

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// Button.js import React from 'react'; import { connect } from 'react-redux'; import { toggleTheme } from './actions/themeActions'; const Button = ({ theme, toggleTheme }) => {  return (    <div>      <button onClick={toggleTheme}>{theme === 'light' ? 'Dark' : 'Light'}</button>    </div>  ); }; const mapStateToProps = (state) => ({  theme: state.theme.theme, }); const mapDispatchToProps = {  toggleTheme, }; export default connect(mapStateToProps, mapDispatchToProps)(Button);

Step 3: Advanced Performance Optimizations

Advanced performance optimizations in React involve techniques like memoization, virtualization, and code splitting to reduce the application's load time and improve responsiveness.

Some popular techniques include:

  • Memoization with React.memo to prevent unnecessary re-renders of functional components.
  • Using React.PureComponent or implementing shouldComponentUpdate in class components to avoid re-renders when props and state don't change.
  • Virtualization libraries like react-virtualized or react-window to efficiently render large lists and grids.
  • Code splitting with tools like React.lazy and React Suspense to load components on-demand and reduce the initial bundle size.
  • Caching data with libraries like react-query to avoid redundant API calls and improve data fetching efficiency.

Keep in mind that the specific optimizations you use will depend on your application's needs and performance requirements. Profiling your application and using performance monitoring tools can help identify bottlenecks and areas for improvement.

Congratulations! You've completed the fifth class of React Advanced. You've learned about server-side rendering with React, integrating Redux for state management, and advanced performance optimizations.

React offers a wide range of tools and techniques to build performant and scalable applications. As you continue your React journey, you can explore more advanced topics like serverless architecture with React, testing and debugging React applications, and building custom hooks for reusable logic.

Keep practicing, building more complex applications, and exploring the vast possibilities of React! Happy coding!

15. React Advance

23 Comments

@familyvimes@gmail.com
[email protected] Jul 22, 2024 at 10:33 PM

Kindly check the lecture number 6. Lifecycle of a Change in 1. Git and Github The above lecture is not related to the course please update it ASAP Thank you

@harshp.cs.22
harshp.cs.22 Jul 10, 2024 at 3:37 PM

From where can I download the files which love babbar says he has uploaded on dashboard ??

@familyvimes@gmail.com
[email protected] Jul 23, 2024 at 12:05 PM

I have attached the link https://github.com/lakshayk12/ANN_optimization_BTP

@zubaid.zu
zubaid.zu May 9, 2024 at 2:42 AM

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@admin79
admin79 May 10, 2024 at 10:29 PM

Now your Paypal payment is accepted and your course is activated successfully. Please leave your valuable feedback.

@anandwising
anandwising Mar 12, 2024 at 4:05 PM

Why i am being asked for payment if i am already enrolled in the course

@admin79
admin79 Mar 12, 2024 at 5:22 PM

Dear anand, your payment is now updated check your course, apologize for several delays. Please leave your valuable feedback.

@anandwising
anandwising Mar 12, 2024 at 8:33 PM

thanks its working now

@Megha
Megha Feb 22, 2024 at 11:02 PM

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@akshaykumrawat99
akshaykumrawat99 Feb 22, 2024 at 10:56 PM

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@rajnireddyatr
rajnireddyatr Feb 3, 2024 at 12:08 AM

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@talha.developments
talha.developments Jan 18, 2024 at 9:34 PM

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@aryangrg020
aryangrg020 Jan 17, 2024 at 10:25 PM

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@Krishanpal
Krishanpal Jan 14, 2024 at 8:12 PM

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@sciaku1
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@shivanshgautam220
shivanshgautam220 Jan 10, 2024 at 4:57 PM

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@sciaku1
sciaku1 Jan 11, 2024 at 3:18 PM

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@p8354046
p8354046 Jan 7, 2024 at 3:47 PM

Why i am being asked for payment if i am already enrolled in the course

@sciaku1
sciaku1 Jan 11, 2024 at 3:19 PM

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@myidontablet
myidontablet Dec 30, 2023 at 4:28 PM

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@sciaku1
sciaku1 Jan 6, 2024 at 1:42 AM

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@duabhi911
duabhi911 Nov 16, 2023 at 2:03 AM

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@harshp.cs.22
harshp.cs.22 Dec 23, 2023 at 11:40 AM

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@myidontablet
myidontablet Dec 30, 2023 at 4:28 PM

I'm facing same issue

@sciaku1
sciaku1 Jan 6, 2024 at 1:43 AM

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@lenientharsh
lenientharsh Oct 31, 2023 at 10:56 AM

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@lenientharsh
lenientharsh Oct 31, 2023 at 10:51 AM

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@sciaku1
sciaku1 Jan 6, 2024 at 1:45 AM

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@hydrarishabh9
hydrarishabh9 Oct 21, 2023 at 11:47 PM

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@sciaku1
sciaku1 Oct 30, 2023 at 5:34 PM

Click on Watch now button then click next video then payment option is showing

@minhajakram440
minhajakram440 Oct 18, 2023 at 11:18 PM

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@aeromusgyan
aeromusgyan Oct 21, 2023 at 1:17 AM

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@saklyi70
saklyi70 Sep 30, 2023 at 11:02 AM

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@sciaku1
sciaku1 Jan 6, 2024 at 1:47 AM

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@thomasroka31
thomasroka31 Sep 29, 2023 at 4:05 PM

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@jitendrakrverma02
jitendrakrverma02 Sep 23, 2023 at 3:57 PM

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@sciaku1
sciaku1 Jan 6, 2024 at 1:47 AM

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@9035praveen
9035praveen Sep 2, 2023 at 12:12 PM

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@mohammedunaismdr
mohammedunaismdr Sep 25, 2023 at 11:54 AM

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@mishraprajjwal295
mishraprajjwal295 Oct 13, 2023 at 11:07 PM

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@rahulkumarbaraswal30
rahulkumarbaraswal30 Nov 4, 2023 at 1:32 PM

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@bicky
bicky Sep 1, 2023 at 5:42 PM

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