Playground

Test your own timer component here:

<ReactTimer
    start={0}
    end={(value) => value === 30}
    onEnd={(value) => console.log('ENDED WITH VALUE', value)}
    onTick={(value) => value + 1}>
        {(time) => <div>{time}</div>}
    </ReactTimer>

<ReactTimer
    start={0}
    end={(value) => value === 30}
    onEnd={(value) => console.log('ENDED WITH VALUE', value)}
    onTick={(value) => value + 1}>
        {(time) => <div>{time}</div>}
    </ReactTimer>