javascript Quete React

Posted 2021-05-03

import React, { Component } from 'react'

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