VS Code Basics

I am having trouble with the basic functions of VS Code. I have not been able to find a basic tutorial on the use of .json files, how to debug, etc. I am working on the rock-paper-scissor-x99 project and can’t get past the simple error of setting a player’s valid inputs. Not sure how to pinpoint where my errors are.

var playerOneMoveOneType = undefined;
var playerOneMoveTwoType = undefined;
var playerOneMoveThreeType = undefined;
var playerOneMoveOneValue = undefined;
var playerOneMoveTwoValue = undefined;
var playerOneMoveThreeValue = undefined;
var playerTwoMoveOneType = undefined;
var playerTwoMoveTwoType = undefined;
var playerTwoMoveThreeType = undefined;
var playerTwoMoveOneValue = undefined;
var playerTwoMoveTwoValue = undefined;
var playerTwoMoveThreeValue = undefined;
function setPlayerMoves(player, moveOneType, moveOneValue, moveTwoType, moveTwoValue, moveThreeType, moveThreeValue) {
    //Check for validation of each round's selections
    if (!moveOneType || !moveOneValue || !moveTwoType || !moveTwoValue || !moveThreeType || !moveThreeValue) {
            return null;
    }
    if (moveOneType.toLowerCase() !== 'rock' || moveOneType.toLowerCase() !== 'paper' || moveOneType.toLowerCase() !== 'scissors'){
        console.log('Round 1 invalid entry');
        return null;
    }
    if (moveOneValue < 1 || moveOneValue > 99) {
        console.log('Round 1 value invalid');
        return null;
    }
    if (moveTwoType.toLowerCase() !== 'rock' || moveTwoType.toLowerCase() !== 'paper' || moveTwoType.toLowerCase() !==  'scissors') {
        console.log('Round 2 invalid entry');
        return null;
    }
    if (moveTwoValue < 1 || moveTwoValue > 99) {
        console.log('Round 2 value invalid');
        return null;
    }
    if (moveThreeType.toLowerCase() !== 'rock' || moveThreeType.toLowerCase() !== 'paper' || moveThreeType.toLowerCase() !==  'scissors') {
        console.log('Round 3 invalid entry');
        return null;
    }
    if (moveThreeValue < 1 || moveThreeValue > 99) {
        console.log('Round 3 value invalid');
        return null;
    }
    //check that power values add up to less than 99
    if (moveOneValue + moveTwoValue + moveThreeValue > 99) {
        console.log('Invalid values - Total must be less than 99.');
        return null;
    }
    if (player === 'Player One') {
        playerOneMoveOneType = moveOneType.toLowerCase();
        playerOneMoveTwoType = moveTwoType.toLowerCase();
        playerOneMoveThreeType = moveThreeType.toLowerCase();
        playerOneMoveOneValue = moveOneValue;
        playerOneMoveTwoValue = moveTwoValue;
        playerOneMoveThreeValue = moveThreeValue;
    } else if (player === 'Player Two') {
        playerTwoMoveOneType = moveOneType.toLowerCase();
        playerTwoMoveTwoType = moveTwoType.toLowerCase();
        playerTwoMoveThreeType = moveThreeType.toLowerCase();
        playerTwoMoveOneValue = moveOneValue;
        playerTwoMoveTwoValue = moveTwoValue;
        playerTwoMoveThreeValue = moveThreeValue;
    } else {console.log('Player Error');
        return null; }
}

Thanks