my javascript code is not working please help me. for example if you enter the f
ID: 3534899 • Letter: M
Question
my javascript code is not working please help me.
for example if you enter the following values:
car price: 10 000.00
Down payment: 0
Terms: 1
interest rate : 7.0
it should give you>>>
Loan Amount is : $10,000.00
Payment: $865.27
this is my code
<!doctype html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="carnet.css">
<meta charset="utf-8">
<title>Calculator</title>
<div id="wrapper">
<div id="h1">
<h1>CIT 160 AUTO NET</h1>
</div>
<div id= "nav">
<p>
<h2><a href="index.html">Home</a>
<a href="cal.html">Calculator</a>
<a href="contact.html">Contact</a>
</h2>
</p>
</div>
<script type="text/javascript">
function calcLoan()
{
var DownPayment = parseFloat(frmCalculator.DownPayment.Value);
var CarPrice = parseFloat(frmCalculator.CarPrice.Value);
var loanAmount = CarPrice - DownPayment;
var annualRate = parseFloat(frmCalculator.Rate.value);
var Term = parseFloat(frmCalculator.Term.value);
var monthlyRate = annualRate/1200;
var MonthlyPayment = (loanAmount * monthlyRate)/(1-1/Math.pow(1 + monthlyRate, Term * 12));
return MonthlyPayment
}
function getMonthlyPayment()
{
var payment = calcLoan();
frmCalculator.Payment.Value = payment;
}
</script>
</head>
<body>
<h3>Loan Calculator</h3>
<form id = frmCalculator>
<p>
Car Price:<input type="text" name="Car Price" id="CarPrice"><br><br>
Down Payment:<input type="text" name="Down Payment" id="DownPayment"><br><br>
Interest Rate:<input type="text" name="Rate" id="Rate"><br><br>
Term (years):<input type="text" name="Term" id="Term"><br><br>
Loan Amount:<input type="text" name="Amount" id="Amount"><br><br>
Payment:<input type="text" name="Payment" id="Payment"><br><br>
</p>
<p>
<input name="Calculate" type="button"
value="Calculate" />
</p>
</form>
</body>
<div id="footer">
<footer>
copy Write @Shayan Panahian
</footer>
</html>
Explanation / Answer
Correct Code:-
<!doctype html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="carnet.css">
<meta charset="utf-8">
<title>Calculator</title>
<div id="wrapper">
<div id="h1">
<h1>CIT 160 AUTO NET</h1>
</div>
<div id= "nav">
<p>
<h2><a href="index.html">Home</a>
<a href="cal.html">Calculator</a>
<a href="contact.html">Contact</a>
</h2>
</p>
</div>
<script type="text/javascript">
function calcLoan()
{
var DownPayment = parseFloat(frmCalculator.DownPayment.value);
var CarPrice = parseFloat(frmCalculator.CarPrice.value);
var loanAmount = parseFloat(CarPrice - DownPayment);
var annualRate = parseFloat(frmCalculator.Rate.value);
var Term =frmCalculator.Term.value;
var monthlyRate = annualRate/1200;
var MonthlyPayment = (loanAmount * monthlyRate)/(1-1/Math.pow(1 + monthlyRate, Term * 12));
return MonthlyPayment;
}
function calLoan()
{
var DownPayment = parseFloat(frmCalculator.DownPayment.value);
var CarPrice = parseFloat(frmCalculator.CarPrice.value);
var loanAmount = parseFloat(CarPrice - DownPayment);
return loanAmount;
}
function getMonthlyPayment()
{
var payment = calcLoan();
var lamount=calLoan();
frmCalculator.Payment.value = payment;
frmCalculator.Amount.value=lamount;
}
</script>
</head>
<body>
<h3>Loan Calculator</h3>
<form id = frmCalculator>
<p>
Car Price:<input type="text" name="CarPrice" id="CarPrice"><br><br>
Down Payment:<input type="text" name="DownPayment" id="DownPayment"><br><br>
Interest Rate:<input type="text" name="Rate" id="Rate"><br><br>
Term (years):<input type="text" name="Term" id="Term"><br><br>
Loan Amount:<input type="text" name="Amount" id="Amount"><br><br>
Payment:<input type="text" name="Payment" id="Payment"><br><br>
</p>
<p>
<input name="Calculate" type="button"
value="Calculate" />
</p>
</form>
</body>
<div id="footer">
<footer>
copy Write @Shayan Panahian
</footer>
</html>
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