Javascript setInterval function to clear itself?

Question

myInterval = setInterval(function(){
     MyFunction();
},50);

function MyFunction()
{
    //Can I call clearInterval(myInterval); in here?
}

The

Answer 1

var interval = setInterval(function() {
  if (condition) clearInterval(interval); // here interval is undefined, but when we call this function it will be defined in this context
}, 50);

Or

var callback = function() { if (condition) clearInterval(interval); }; // here interval is undefined, but when we call this function it will be defined in this context
var interval = setInterval(callback, 50);