function calculateLoanRepayment() {
var loanAmount = parseFloat(document.getElementById(“loanAmount”).value);
var interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12;
var loanTerm = parseFloat(document.getElementById(“loanTerm”).value) * 12;
if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm)) {
alert(“Please enter valid values.”);
return;
}
var monthlyRepayment = (loanAmount * interestRate) / (1 – Math.pow(1 + interestRate, -loanTerm));
document.getElementById(“monthlyRepayment”).value = monthlyRepayment.toFixed(2);
}