footballTournament.js

function footballTournament(input) {
    let index = 0;
    let footballClub = input[index];
    index++;
    let gamesPlayed = Number(input[index]);
    index++;
    let winCounter = 0;
    let drawCounter = 0;
    let loseCounter = 0;

    if (gamesPlayed === 0) {
        console.log(`${footballClub} hasn't played any games during this season.`);
    } else if (gamesPlayed > 0) {
        for (let i = 0; i < gamesPlayed; i++) {
            let currentGame = input[index];
            index++;

            if (currentGame === "W") {
                winCounter++;
            } else if (currentGame === "D") {
                drawCounter++;
            } else if (currentGame === "L") {
                loseCounter++;
            }
        }

        let points = (winCounter * 3) + drawCounter;
        let winRate = (winCounter / gamesPlayed) * 100;

        console.log(`${footballClub} has won ${points} points during this season.`);
        console.log(`Total stats:`);
        console.log(`## W: ${winCounter}`);
        console.log(`## D: ${drawCounter}`);
        console.log(`## L: ${loseCounter}`);
        console.log(`Win rate: ${winRate.toFixed(2)}%`);
    }
}

footballTournament(["Liverpool", "10", "W", "D", "D", "W", "L", "W", "D", "D", "W", "W"]);
footballTournament(["Barcelona", "7", "W", "D", "L", "L", "W", "W", "D"]);
footballTournament(["Chelsea", "0"]);