render in function component code example
Example 1: class in react
class App extends Component {
constructor() {
super()
this.state = {
name: "Sally",
age: 13
}
}
render() {
return (
<div>
<h1>{this.state.name}</h1>
<h3>{this.state.age} years old</h3>
</div>
)
}
}
Example 2: create react component class
class MyComponent extends React.Component{
constructor(props){
super(props);
};
render(){
return(
<div>
<h1>
My First React Component!
</h1>
</div>
);
}
};
Example 3: functional components react
function Comment(props) {
return (
<div className="Comment">
<div className="UserInfo">
<img className="Avatar"
src={props.author.avatarUrl}
alt={props.author.name}
/>
<div className="UserInfo-name">
{props.author.name}
</div>
</div>
<div className="Comment-text">
{props.text}
</div>
<div className="Comment-date">
{formatDate(props.date)}
</div>
</div>
);
}
Example 4: create-react-app class component
npx create-react-app my-app --scripts-version react-scripts@2.1.7
Example 5: react class and props example
import React, { Component } from 'react'
import './TourList.scss';
import Tour from '../Tour/Tour';
import { tourData } from './tourData';
export default class TourList extends Component {
state={
tours:tourData
}
render() {
const {tours}=this.state
return (
<section className="toulist">
{tours.map(tour=>{
return <Tour key={tour.id} tour={tour} />;
})}
</section>
)
}
}
import React, { Component } from 'react';
import './Tour.scss';
export default class Tour extends Component {
state={
showinfo:false,
name:""
}
handleInfo=()=>{
this.setState({
showinfo:!this.state.showinfo,
name:"kumar"
})
}
render() {
const {id,city,name,info,img}=this.props.tour
return (
<div className="grid">
<article className="tour">
<div className="img-container">
<img
src={img}></img>
<span className="close-btn">
<i class="fa fa-window-close"></i>
</span>
</div>
<div className="info">
<div className="tour-info">
<h3>{name}</h3>
<h4>{city}</h4>
<h5>info{""}
<span class="fa fa-caret-square-down" onClick={this.handleInfo}></span></h5>
</div>
{this.state.showinfo && <p>{info}{this.state.name}</p>}
</div>
</article>
</div>
)
}
}