document.getElementById(“calculateButton”).onclick = function() {
var loanAmount = parseFloat(document.getElementById(“loanAmount”).value);
var interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12;
var loanTerm = parseInt(document.getElementById(“loanTerm”).value) * 12;
if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || loanAmount <= 0 || interestRate <= 0 || loanTerm <= 0) {
alert("Please enter valid positive values for all fields.");
return;
}
var monthlyPayment = loanAmount * interestRate / (1 – Math.pow(1 + interestRate, -loanTerm));
var totalRepayment = monthlyPayment * loanTerm;
document.getElementById("monthlyPayment").value = monthlyPayment.toFixed(2);
document.getElementById("totalRepayment").value = totalRepayment.toFixed(2);
};
document.getElementById("showDetailsButton").onclick = function() {
var details = document.getElementById("calculationDetails");
details.style.display = details.style.display === "none" ? "block" : "none";
};
.calculator-container {
max-width: 500px;
margin: 0 auto;
padding: 20px;
background-color: #f4f4f4;
border-radius: 10px;
box-shadow: 0 0 15px rgba(0,0,0,0.1);
font-family: Arial, sans-serif;
}
.calculator-header h2 {
text-align: center;
margin-bottom: 20px;
}
.form-label {
display: block;
margin-top: 10px;
font-weight: bold;
}
.form-input {
width: 100%;
padding: 10px;
margin-top: 5px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 16px;
}
.calculator-actions {
display: flex;
justify-content: space-between;
margin-top: 20px;
}
.btn-calculate, .btn-reset {
padding: 10px 15px;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
background-color: #4CAF50;
color: white;
}
.btn-reset {
background-color: #f44336;
}
.btn-details {
width: 100%;
padding: 10px;
background-color: #2196F3;
color: white;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
}
.calculation-details {
margin-top: 20px;
padding: 10px;
background-color: #fff;
border: 1px solid #ddd;
border-radius: 5px;
}
