react tutorial
//With node and npm already installed for basic start
npx create-react-app my-app-name
// if you want to use npm
npx create-react-app my-app-name --npm
//if you want to use typescript
npx create-react-app my-app-name --template typescript
yarn start // app will be hosted on localhost:3000
/* start making changes at ./my-app-name/src/App.js
React documentation: https://reactjs.org/docs/hello-world.html
*/
4.5
2
npx create-react-app my-app
cd my-app
cd src
# If you're using a Mac or Linux:
rm -f *
# Or, if you're on Windows:
del *
# Then, switch back to the project folder
cd ..
Thank you!
2
0
4
2
import React from 'react';
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
data: 'Initial data...'
}
this.updateState = this.updateState.bind(this);
};
updateState() {
this.setState({data: 'Data updated...'})
}
render() {
return (
<div>
<button onClick = {this.updateState}>CLICK</button>
<h4>{this.state.data}</h4>
</div>
);
}
}
export default App;
Thank you!
2
0
4.5
6
As far as I can tell from looking, codecademy, w3schools,
and many answers on stack overflow are all outdated.
The best option is "https://reactjs.org/"
Thank you!
6
0
3.5
4
renderSquare(i) {
return <Square value={i} />;
}
Thank you!
4
0
4.3
9
class Board extends React.Component {
constructor(props) { super(props); this.state = { squares: Array(9).fill(null), }; }
renderSquare(i) {
return <Square value={i} />;
}
Thank you!
9
0
Are there any code examples left?
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