Rajesh SinghJava Script program to find simple interest
<html>
<head>
<title> form event</title>
<script language="javascript">
function si(fnm)
{
P=fnm.t1.value
R=fnm.t2.value
T=fnm.t3.value
fnm.t4.value=(P*R*T)/100
}
</script>
</head>
<body>
<form>
<br>
Enter Principle Amount
<input type="text"name="t1">
<br><br>
Enter Rate of Interest
<input type="text"name="t2">
<br><br>
Enter the Time Period
<input type="text"name="t3">
<br><br>
<input type="button"name="b1"value="Simple Interst" onclick="si(form)">
<br><br>
simple interest
<input type="text" name="t4">
</form>
</body>
</html>
Output: