React js reja: React jsni o’rnatish React js kompanentlari React jsda ilova

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Bog'liq
react js

Hello, world!
Hello world

Hello, world!

,
document.getElementById('root')
);

Uni /src/App.js fayliga quyidagicha yozishingiz mumkin:

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import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';
class App extends Component {
render() {
return (

Hello, world!

);
}
}
export default App;

Yana bir varianti (createElement yordamida):

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import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';
class App extends Component {
render() {
return React.createElement("h1", null, 'Hello World');
}
}
export default App;

Komponentsiz ko’rinishi:

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import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';
const App = () =>

Hello world

export default App;

React sintaksisi ES6 va JSXdan iborat bo’lib, umumiy holda Javascriptning zamonaviy ko’rinishiga ega.

Node.js haqida

Salom dasturchilar! Bu maqolada Node.js haqida gapirib bermoqchiman. Node.js ham front-end, ham back-end dasturchilar ishlatishadi. Node.js judayam ommalashib ketdi, shuning uchun Node.js nimaligini bilish zarar qilmaydi.

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