state functions and props in react js example

Example 1: 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 (
            

            {tours.map(tour=>{
                return ;
            })}
            
            
        )
    }
}

//------------------------------------------------------
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 (
            

            

            
               

               
                
                    
                
               
               

               

               
{name}
               
{city}
               
info{""}
               
                
               
               {this.state.showinfo && 
{info}{this.state.name}
}
               
               
               
            
            
        )
    }
}

Example 2: defining props in react

function Welcome(props) {
  return 
Hello, {props.name}
;
}

const element = ;
ReactDOM.render(
  element,
  document.getElementById('root')
);