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gist_1

var userChoice = prompt("Do you choose rock, paper or scissors?");
var computerChoice = Math.random();
if (computerChoice < 0.34) {
	computerChoice = "rock";
} else if(computerChoice <= 0.67) {
	computerChoice = "paper";
} else {
	computerChoice = "scissors";
}

var compare = function (choice1, choice2)
{
if (choice1===choice2) {
	return "The result is a tie!";
}
if (choice1==="rock") {
	if (choice2==="scissors") {
		return "rock wins.";
	} else {
		return "paper wins.";
	}
}
if (choice1==="paper") {
	if (choice2==="rock") {
		return "paper wins.";
	} else {
		return "scissors wins.";
	}
}
if (choice1==="scissors") {
	if (choice2==="paper") {
		return "scissors wins.";
	} else {
		return "rock wins.";
	}
}
};

compare (userChoice,computerChoice);