/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

0 vote334 views1 answer
Detecting change in animated value react native
Javascript React
10 votes358 views2 answers
React navigation no header
Javascript React
0 vote329 views1 answer
To do list app react code
Javascript React
0 vote331 views1 answer
How to make a github api using react
Javascript React
1 vote352 views1 answer
How to find the width of outerconatiner in react native
Javascript React
0 vote350 views1 answer
Text field drag and drop reactjs
Javascript React
0 vote361 views1 answer
Can i open native video playback for both (Androidt / IOS) With React Native?
Javascript React
2 votes326 views1 answer
How to align text inside react component
Javascript React
0 vote349 views1 answer
Enzynme not support react 17
Javascript React
0 vote375 views1 answer
How to remove elevation tab bar react native
Javascript React