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JavaScript
1

let balance = 1000;
let timeLeft = 30;
let currentBet = null;
let periodNumber = 202603310001;

function updateTimer() {
const timerEl = document.getElementById(‘countdown’);
const periodEl = document.getElementById(‘period-id’);

let interval = setInterval(() => {
    timeLeft--;
    timerEl.innerText = timeLeft;

    if (timeLeft <= 0) {
        generateResult();
        timeLeft = 30;
        periodNumber++;
        periodEl.innerText = periodNumber;
    }
}, 1000);

}

function placeBet(type) {
currentBet = type;
document.getElementById(‘bet-status’).innerText = You selected: ${type};
}

function generateResult() {
const num = Math.floor(Math.random() * 10); // 0-9
const size = num >= 5 ? ‘BIG’ : ‘SMALL’;
const color = (num % 2 === 0) ? ‘:red_circle:’ : ‘:green_circle:’;

// Win/Loss Logic
if (currentBet) {
    if (currentBet === size) {
        balance += 10;
        alert(`WIN! Result was ${num} (${size})`);
    } else {
        balance -= 10;
        alert(`LOSS! Result was ${num} (${size})`);
    }
    document.getElementById('balance').innerText = balance;
    currentBet = null;
    document.getElementById('bet-status').innerText = "Place your guess!";
}

// Add to Table
const table = document.getElementById('history-body');
const row = `<tr><td>${periodNumber}</td><td>${num}</td><td>${size}</td><td>${color}</td></tr>`;
table.insertAdjacentHTML('afterbegin', row);

}

updateTimer();

2

Can you please link to the url of the challeng you are on.