/Javascript/React/Onclick start and stop the count react

Onclick start and stop the count react

class Controls extends React.Component{
    state={
        myInterval : null,
        time: 25*60*1000
    }
    countDown = () => {
        this.setState({
            time : this.state.time-1000,
        })
    }
    startTimer = () => {
        this.setState({myInterval : setInterval(this.countDown,1000)})
    }
    stopTimer = () => {
        clearInterval(this.state.myInterval)
    }
    render(){
        return(
            <div>
                <button onClick={this.startTimer}>Start</button>
                <button onClick={this.stopTimer}>Stop</button>
                {this.state.time}
            </div>
        )
    }
}


class App extends React.Component{
    render(){
        return <Controls/>
    }
}





ReactDOM.render(
  <App />,
  document.getElementById("react")
);

Source: stackoverflow.com

Similar codes

3 votes145 views1 answer
React router dom current path hook
Javascript React
3 votes163 views2 answers
Use font awsome in react
Javascript React
0 vote155 views3 answers
Router dom react v6
Javascript React
0 vote174 views1 answer
React Native Expo Scrollview Scroll to bottom
Javascript React
1 vote156 views1 answer
Bootstrap icons react
Javascript React
69 votes181 views6 answers
React route
Javascript React
0 vote110 views1 answer
How to use algolia react native
Javascript React
5 votes155 views1 answer
Create react app deployment heroku
Javascript React
3 votes139 views2 answers
React router active link css
Javascript React
-2 votes145 views2 answers
How to play around with backend node js and frontend react
Javascript React