How to clear interval and set it again?

Question

This is what i am trying to accomplish: when the last slide is reached fadeOut last slide and then fadeIn first slide, and then clearInterval (everything works with th

Answer 1

Just Example

var myVar 
function myTimer() {
    var d = new Date();
    var t = d.toLocaleTimeString();
    document.getElementById("demo").innerHTML = t;
}

function myStopFunction() {
    clearInterval(myVar);
}
function myStartFunction() {
    myVar = setInterval(myTimer, 1000);
}
myStartFunction();

Stop time
Start time