Calling a function if an operation is not true

I have not seen anything that specifically answers this question. I intend to develop a text-based game that involves an action occurring every time an idle bar fills up(every x seconds passes) I'm just trying to figure out the very basic layout of my javascript that will make the battling system in this game.

I'm trying to make the computer re-calculate pDamThisRound if pDamThisRound is not > baseD which is this case is 10.

If it is greater than baseD my code works and prints pDamThisRound. But if it isn't the code just prints nothing.

var baseD = 10;
var pStr = 25;
var pDam = Math.floor((baseD + pStr) / 2);
var pDamThisRound;

var pDamTR  = function() {
    pDamThisRound = (Math.floor(Math.random() * 2 * pDam));
};

pDamTR();

if(pDamThisRound > baseD) {
document.getElementById("h").innerHTML = pDamThisRound;
}

else {
pDamTR();
}

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