ReactJS Tutorial For Beginners | Learn ReactJS | ReactJS Crash Course | ReactJS | Simplilearn

This ReactJS Crash course video will explain the concepts of React with the help of a simple demo. React is a JavaScript library for building fast and interactive user interfaces for the web as well as mobile applications. It is an open-source, reusable component-based front-end library. The entire working of a React application hinges around three fundamental concepts called components, props, and state which this ReactJS Crash Course video covers.

0:00 - Start to ReactJs Crash course
1:10 - What is ReactJS?
2:26 - Features of React
6:26 - Component in React
10:05 - Props
10:40 - State
12:37 - Event handling
13:44 - Event Binding
15:02 - Demo

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About Simplilearn ReactJS training course:

What is the focus of this course?

What are the course objectives?
- Acquire hands-on knowledge on basic React components and apply them
- Code a React with online Integrated Development Environment (IDE) like an expert
- Manage data by using State and Props of React
- Learn how to handle events
- Execute React’s robust router
- Use flux to augment features of a React app
- Implement Bootstrap and CSS to style a React app
- Understand React and how it fits into your web developing process

[rsg]

The code is wrong how can u declare a function with the same name as the class outside the class block in the same


it will be treated as a constructor and throws this error:
./src/components/App/App.js
Line 76:11: Parsing error: Identifier 'App' has already been declared


im talking about App.js file

[Purna-bshc]

I have read all the comments, None has mentioned that its a bit fast, convoluted . Its not easy to get it unless its explained again. are u all developers before??

[AmitSharma-pnkm]

Simplilearn is the best place to start. Shortest and greatest tutorial to React! Keep it up, guys!

[sweetsams]

Cannot read property 'map' of undefined
TrackList.render

6 | class TrackList extends Component {
7 | render() {
8 | return (
> 9 | <div className="TrackList">
10 | => {
11 | return (
12 | <Track

[diwakarr.p]

Such an osam talented developer.. unfortunately dint knew to increase font size..if nothing is visible wt to c wt to learn??

[namratanagvekar]

Can investing time to learn react.js will help me with seo? What do u think bcz I m an Seo Analyst.. please reply.. thank you.

[FranciscoCastillo-okys]

Do you include the 16.9.0 version updates in this course?

[ashutoshkumar]

We can pass data from parent component to child using props.. But how to pass it from child back to the parent class ?

[gauravjaiswal]

this project code is not available plz sand me code

[sumans]

"Npx command not found" this my problem please tell me to install react in another way

[aurojitbasak]

Video is good but make the video front size bit bigger....

[namratanagvekar]

Can react.js knowledge be useful in SEO?

[kalenzo]

thanks for the video.. can you please do a django and a react js integration for a full stack developer

[panomapet]

Kindly in your next videos, make sure u check on font-size first before recording

[penten]

I am getting error in TrackList.js (TypeError: Cannot read property 'map' of undefined)

[niharikasharma]

where can i get the code for the project

[ashutoshkumar]

This is very nice ... Please make a video on react hooks and context also

[bhellman]

This is wrong, you should go step by step on writing what is needed not copying from an existing code

[BloodyScythe]

the code in the video is way too small
binding every single method in the constructor is really bad practice
iframes aren't used for the last 15 years

conclusion: this video teaches bad practices