class component react

JavaScript
class Welcome extends React.Component {
  render() {
    return <h1>Hello, {this.props.name}</h1>;
  }
}class MyComponent extends React.Component{
    constructor(props){
        super(props);
    };
    render(){
        return(
            <div>
              <h1>
              	My First React Component!
              </h1>
            </div>
        );
    }
};
function MyApp() {
  return (
    <div>
      <ul>
        <li>Name </li>
        <li>Place </li>
        <li>Animal </li>
      </ul>
    </div>
  )
}

ReactDOM.render(
  <MyApp />,
  document.getElementById('root')
);const component = props => {
console.log("This is a functional Component that uses props");
}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>
        )
    }
}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>
        )    
    }
}
Source

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