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Create a web page that describes how to compute the annual cost of a project that...

Create a web page that describes how to compute the annual cost of a project that costs p and is funded by a loan at an interest i over y number of years.

Add input widgets for all the input variables and a button. Write a JavaScript function to display the input values when the button is clicked. Use the jQuery utility navbar to link the interface page with an information page that includes your name, this course name (CIT4311: Web Applications), and some basic information about amortization calculations that you can find on the web.

engineering   Computer-Science   
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Answer #1

Program -

<html>

<script language="JavaScript">

function calculateLoan() {

if ((document.calc.loanAmount.value == null || document.calc.loanAmount.value.length == 0) ||

(document.calc.loanDurationMonth.value == null || document.calc.loanDurationMonth.value.length == 0)

||

(document.calc.interestRate.value == null || document.calc.interestRate.value.length == 0)) {

document.calc.monthlyEmi.value = "Incomplete data";

}

else {

var princ = document.calc.loanAmount.value;

var term = document.calc.loanDurationMonth.value;

var intr = document.calc.interestRate.value / 1200;

document.calc.monthlyEmi.value = Math.round(princ * intr / (1 - (Math.pow(1 / (1 + intr), term))));

}


}


</script>

<body>

<p>

<center>

<form name=calc>

<table width=60% border=1>

<tr>

<th bgcolor="#aaaaaa" width=50%>

<font color=blue>Loan Description</font>

</th>

<th bgcolor="#aaaaaa" width=50%>

<font color=blue>Loan Data</font>

</th>

</tr>

<tr>

<td >Loan Amount</td>

<td align=right><input type=text name=loanAmount size=10></td>

</tr>

<tr>

<td >Loan duration in Month</td>

<td align=right><input type=text name=loanDurationMonth size=10></td>

</tr>

<tr>

<td >Interest Rate</td>

<td align=right><input type=text name=interestRate size=10></td>

</tr>

<tr>

<td >Monthly Payment</td>

<td align=right><em>Calculated</em> <input type=text name=monthlyEmi size=10></td>

</tr>

<tr>

<td align=center><input type=button onClick='calculateLoan()' value=Calculate></td>

<td align=center><input type=reset value=Reset></td>

</tr>

</table>

</form>

</center>

</body>

</html>

Screenshots -

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