Javascript: Dragon game

dragongame.js

var slaying = true;

var youHit = Math.floor(Math.random()*2);
var damageThisRound = Math.floor(Math.random()*2);

var totalDamage = 0;


while(slaying)
{
    if(youHit)
    {
        
        console.log("Nice - you've just hit black dragon");
        totalDamage += damageThisRound;
        if(totalDamage>=4)
        {
            console.log("HOLY SHIT - YOU JUST KILL A DRAGON")
            slaying = false;
        }
        else
        {
            
            youHit = Math.floor(Math.random() * 2);
        }
    }
    else
    {
        console.log("You missed the dragon - that means you dead")
    }
    slaying = false;
}

console.log(youHit);