react how to know from where i get this props code example

Example 1: props in react app

/* PASSING THE PROPS to the 'Greeting' component */
const expression = 'Happy';
 // statement and expression are the props (ie. arguments) we are passing to Greeting component

/* USING THE PROPS in the child component */
class Greeting extends Component {
  render() {
    return 

{this.props.statement} I am feeling {this.props.expression} today!

; } } -------------------------------------------- function Welcome(props) { return

Hello, {props.name}

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

Example 2: 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}

}
) } }

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