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Computer’s Move

Computer’s Move

Learn how to generate the computer’s move.

We'll cover the following...

What have we got?

We have set up the user’s input. This is our inventory of already created functions:

// Function to display game instructions
function displayInstructions(){
console.log('Welcome to Rock Paper Scissors.\n');
console.log('The rules are simple:');
console.log('1. Rock beats scissors');
console.log('2. Scissors beat paper');
console.log('3. Paper beats rock');
}
// Function to ask for the number of rounds
function getRounds(){
let rounds;
do {
rounds = prompt('How many rounds would you like to play? \nRounds: ');
rounds = parseInt(rounds);
if (isNaN(rounds) || rounds <= 0) {
console.log('Please enter a valid positive integer for rounds.');
}
} while (isNaN(rounds) || rounds <= 0);
return rounds;
}
// Function to get the player's choice
function getPlayerChoice(){
const validChoices = ['rock', 'paper', 'scissors'];
let playerChoice;
do {
playerChoice = prompt('Please enter rock, paper, or scissors. \nChoice: ').toLowerCase();
if (!validChoices.includes(playerChoice)) {
console.log('Invalid choice. Please enter either rock, paper, or scissors.');
}
} while (!validChoices.includes(playerChoice));
return playerChoice;
}
// Function to contain the flow of the whole program
function main() {
displayInstructions();
const rounds = getRounds();
const playerChoice = getPlayerChoice();
}
Inventory of created functions

In this task, we’ll create a function to get a move ...