HBL Salary Loan Calculator
function calculateLoan() {
const loanAmount = parseFloat(document.getElementById(“loanAmount”).value);
const loanTerm = parseFloat(document.getElementById(“loanTerm”).value);
const interestRate = parseFloat(document.getElementById(“interestRate”).value);
if (isNaN(loanAmount) || isNaN(loanTerm) || isNaN(interestRate) || loanAmount <= 0 || loanTerm <= 0 || interestRate <= 0) {
alert("Please enter valid positive values for all fields.");
return;
}
const monthlyRate = interestRate / 100 / 12;
const numPayments = loanTerm;
const monthlyPayment = (loanAmount * monthlyRate) / (1 – Math.pow(1 + monthlyRate, -numPayments));
const totalPayment = monthlyPayment * numPayments;
document.getElementById("monthlyInstallment").value = monthlyPayment.toFixed(2);
document.getElementById("totalPayment").value = totalPayment.toFixed(2);
}
function resetForm() {
document.getElementById("hblSalaryLoanCalculator").reset();
document.getElementById("monthlyInstallment").value = "";
document.getElementById("totalPayment").value = "";
}
