passing props react code example
Example 1: create react component class
class MyComponent extends React.Component{
constructor(props){
super(props);
};
render(){
return(
My First React Component!
);
}
};
Example 2: functional component react
function Welcome(props) {
return Hello, {props.name}
;
}
function App() {
return (
);
}
ReactDOM.render(
,
document.getElementById('root')
);
Example 3: 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 4: pass props in react
/* 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!
;
}
}
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 (
{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}
}
)
}
}