JS ATM output

Catalog

1.js Code

2. Running results

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1.js Code

<script>
        var sum = prompt(' What business do you need ：\n 1. Deposit money  \n 2. Withdraw money  \n 3. Check the balance  \n 4. sign out ');
        var blance = 10000000000000;
        while (sum) {
            if (sum == 1) {
                money = prompt(' How much do you need to save ？');
                blance = blance + +money;
                alert(' Your deposit balance is ' + blance + '');
            } else if (sum == 2) {
                money = prompt(' How much do you need to withdraw ？');
                blance = blance - +money;
                alert(' Your deposit balance is ' + blance + '');
            } else if (sum == 3) {
                alert(' Your deposit balance is ' + blance + '');
            } else if (sum == 4) {
                break;
            } else {
                alert(' Please enter a valid number 1,2,3,4')
            }
            var sum = prompt(' What business do you need ：\n 1. Deposit money  \n 2. Withdraw money  \n 3. Check the balance  \n 4. sign out ');
        }
    </script>

2. Running results