RockPaperScissorsLTC.js

// Get the user's choice
var userChoice = prompt("Rock, paper, or scissors?");
userChoice = userChoice.toLowerCase();

// Get the computer's choice
var computerChoice = Math.random();

// Teach the computer how to guess rock, paper, or scissors
if(computerChoice < .33) {
	computerChoice = "rock";
}
else if(computerChoice < .66) {
	computerChoice = "paper";
}
else {
	computerChoice = "scissors";
}

// Compare their choices and tell the user the result
if(computerChoice === userChoice) {
	alert("its a tie! you both chose " + userChoice);
}
else {
	if(userChoice === "rock") {
		if(computerChoice === "scissors") {
			alert("The user wins! Rock beats scissors");
		}
		else if(computerChoice === "paper") {
			alert("The User Loses! paper beats rock");
		}
	}
	
	else if(userChoice === "scissors") {
		if(computerChoice === "rock") {
			alert("The user loses! rock beats scissors");
		}
		else if(computerChoice === "paper") {
			alert("The User Wins! scissors beats paper");
		}
	}
	
	else if(userChoice === "paper") {
		if(computerChoice === "scissors") {
			alert("The user loses! scissorz beats paper");
		}
		else if(computerChoice === "rock") {
			alert("The User Wins! paper beats rock");
		}
	}
	else {
		alert("the user made an invalid choice");
	}
}