stop and return timer in javascript code example

Example 1: setinterval break

var refreshIntervalId = setInterval(fname, 10000);

/* later */
clearInterval(refreshIntervalId);

Example 2: setinterval stop onditional stop

var timesRun = 0;
var interval = setInterval(function(){
    timesRun += 1;
    if(timesRun === 60){
        clearInterval(interval);
    }
    //do whatever here..
}, 2000);