Document
.loan-calculator {
font-family: "Poppins", -apple-sys;
width: 600px;
margin: 40px auto;
background: #fff;
box-shadow: 0 12px 50px -11px rgba(0, 0, 0, 0.2);
border-radius: 8px;
color: #14213d;
overflow: hidden;
}
.loan-calculator,
.loan-calculator * {
box-sizing: border-box;
}
.loan-calculator .top {
background: #181D2B;
color: #fff;
padding: 18px;
}
.loan-calculator .top h2 {
margin-top: 0;
margin: 8px 8px;
color: #FFF;
text-align: center;
}
.loan-calculator form {
display: flex;
margin: 8px 8px;
gap: 8px;
justify-content: space-between;
}
.loan-calculator .title {
margin: 8px 8px;
font-size: 18px;
}
.loan-calculator form input {
font-size: 16px;
margin: 0px 8px;
padding: 6px 20px;
width: 100%;
}
.loan-calculator .result {
display: flex;
justify-content: space-between;
align-items: center;
}
.loan-calculator .result .left {
width: 100%;
padding: 18px;
}
.loan-calculator .left p {
font-size: 16px;
margin: 8px 8px 0px 8px;
color: #004188;
}
.loan-calculator .result .value {
font-size: 16px;
padding: 8px;
border-bottom: 1px solid rgba(20, 33, 61, 0.2);
}
.loan-calculator .result .value1 {
font-size: 16px;
padding: 8px;
}
.loan-calculator .result .value::before {
content: "Nu";
font-size: 16px;
margin-right: 6px;
opacity: 0.31;
}
.loan-calculator .result .value1::before {
content: "Nu";
font-size: 16px;
margin-right: 6px;
opacity: 0.31;
}
.loan-calculator .calculate-btn {
background: #F40000;
color: #fff;
border: none;
padding: 12px 32px;
border-radius: 8px;
font-size: 16px;
cursor: pointer;
margin: 8px 8px;
}
.loan-calculator .close-btn {
background: #F40000;
color: #fff;
border: none;
padding: 12px 32px;
border-radius: 8px;
font-size: 16px;
cursor: pointer;
margin: 8px 8px;
}
.loan-calculator .disable {
pointer-events: none;
opacity: 0.5;
}
.loan-calculator .reset-btn {
background: #252D60;
color: #fff;
border: none;
padding: 12px 32px;
border-radius: 8px;
font-size: 16px;
cursor: pointer;
margin: 8px 8px;
}
.loan-calculator .right {
width: 50%;
}
@media (max-width: 650px) {
.loan-calculator {
width: 90%;
max-width: 500px;
}
.loan-calculator form {
flex-direction: column;
gap: 20px;
}
.loan-calculator .result {
flex-direction: column;
text-align: center;
}
}
const loanAmountInput = document.getElementById("loan-amount");
const interestRateInput = document.getElementById("interest-rate");
const loanTenureInput = document.getElementById("loan-tenure");
const loanEMIValue = document.getElementById("loan-emi-value");
const totalInterestValue = document.getElementById("total-interest-value");
const totalAmountValue = document.getElementById("total-amount-value");
const calculateBtn = document.getElementById("calculate-btn");
const resetBtn = document.getElementById("reset-btn");
let loanAmount = parseFloat(loanAmountInput.value);
let interestRate = parseFloat(interestRateInput.value);
let loanTenure = parseFloat(loanTenureInput.value);
let interest = interestRateInput.value / 12 / 100;
const refreshInputValues = () => {
loanAmount = parseFloat(loanAmountInput.value);
interestRate = parseFloat(interestRateInput.value);
loanTenure = parseFloat(loanTenureInput.value);
interest = interestRate / 12 / 100;
};
const calculateEMI = () => {
refreshInputValues();
let emi =
loanAmount *
interest *
(Math.pow(1 + interest, loanTenure) /
(Math.pow(1 + interest, loanTenure) - 1));
return emi;
};
const updateData = (emi) => {
roundedEmi = Math.round(emi * 100) / 100;
loanEMIValue.innerHTML = roundedEmi;
let totalAmount = Math.round(roundedEmi * loanTenure * 100) / 100;
totalAmountValue.innerHTML = totalAmount;
let totalInterestPayable = Math.round((totalAmount - loanAmount) * 100) / 100;
totalInterestValue.innerHTML = totalInterestPayable;
};
const init = () => {
let emi = calculateEMI();
updateData(emi);
};
// init();
calculateBtn.addEventListener("click", init);
const resetEmiCalculation = () => {
loanAmountInput.value = "";
interestRateInput.value = "";
loanTenureInput.value = "";
totalAmountValue.innerHTML = "0.00";
loanEMIValue.innerHTML = "0.00";
totalInterestValue.innerHTML ="0.00";
validInput();
validReset();
};
resetBtn.addEventListener("click", resetEmiCalculation);
loanAmountInput.addEventListener("input", function(event) {
validInput();
validReset();
});
interestRateInput.addEventListener("input", function(event) {
validInput();
validReset();
});
loanTenureInput.addEventListener("input", function(event) {
validInput();
validReset();
});
const validInput = () => {
if (loanAmountInput.value > 0 && interestRateInput.value > 0 && loanTenureInput.value > 0) {
calculateBtn.classList.remove('disable');
} else {
calculateBtn.classList.add('disable');
};
};
const validReset = () => {
if (loanAmountInput.value > 0 || interestRateInput.value > 0 || loanTenureInput.value > 0) {
resetBtn.classList.remove('disable');
} else {
resetBtn.classList.add('disable');
};
}
// Function to open the popup container
function openPopup() {
var popup = document.getElementById('popup');
popup.style.display = 'block';
}
// Function to close the popup container
function closePopup() {
var popup = document.getElementById('popup');
popup.style.display = 'none';
}
// Attach event listeners to the open and close buttons
// document.getElementById('open-popup-btn').addEventListener('click', openPopup);
// document.getElementById('close-popup-btn').addEventListener('click', closePopup);
