text QuêteReact - Cycle de vie

Posted 2021-05-01

import React, { Component } from 'react'

export default class MyTimer extends Component {
    constructor(props){
        super(props);
        this.state ={
            seconde : 0,
        }
    }
    componentDidMount(){
        setInterval(() => {
            this.setState({seconde:this.state.seconde + 1});  console.log("un update a eu lieu");
        },1000)
        }
        
  render() {
    return (
      <div>
    <h1>
    {this.state.seconde}
    </h1>
        
      </div>
    )
 }
}