You can also use this method :

var n = hacker1.localeCompare(hacker2)

if (n < 0) { console.log("The driver's name goes first")}
else if (n > 0){console.log("The navigator's name goes first")}
else {console.log("Wow, you both have the same name!")}

It will compare two strings (hacker1 & hacker2) and it will return a number between 1 and -1, then you just have to check if it's greater, equal or lower.