dragon.js

var slaying = true;
var youHit = Math.floor(Math.random()*2);
var damageThisRound = Math.floor(Math.random()*5 + 1);
var totalDamage =0;

while(slaying){
    if(youHit){
        console.log("You hit the dragon and did " + damageThisRound + " damage!");      
        totalDamage += damageThisRound;
        if(totalDamage>=4){
            console.log("You slayed the dragon");
            slaying = false;
            }
            else{
                youHit=Math.floor(Math.random()*2);
                }
        }
    else{
        console.log("The dragon defeated you");
        slaying = false;}
    }