//timerOne emits first value at 1s, then once every 4s

const timerOne = Rx.Observable.timer(1000, 4000);

//timerTwo emits first value at 2s, then once every 4s

const timerTwo = Rx.Observable.timer(2000, 4000);

//timerThree emits first value at 3s, then once every 4s

const timerThree = Rx.Observable.timer(3000, 4000);

​

//when one timer emits, emit the latest values from each timer as an array

const combined = Rx.Observable.combineLatest(timerOne, timerTwo, timerThree);

​

const subscribe = combined.subscribe(

  ([timerValOne, timerValTwo, timerValThree]) => {

    /*

    Example:

    timerOne first tick: 'Timer One Latest: 1, Timer Two Latest:0, Timer Three Latest: 0

    timerTwo first tick: 'Timer One Latest: 1, Timer Two Latest:1, Timer Three Latest: 0

    timerThree first tick: 'Timer One Latest: 1, Timer Two Latest:1, Timer Three Latest: 1

  */

    console.log(

      `Timer One Latest: ${timerValOne},

     Timer Two Latest: ${timerValTwo},

     Timer Three Latest: ${timerValThree}`

    );

  }

);