Categories
JQuery

Interest Loan Calculator in jQuery

In this article I share with you a simple interest loan calculator that I wrote using jQuery. I hope this can help you in your study of jQuery library.


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Program Listing

<html>
<head>
<title>Interest Calculator in JQuery</title>
<script src="jquery-3.2.1.min.js"></script>
<style>
body {
 background-color:white;
 font-family: arial;
 font-size:15px;
 font-weight:bold;
 }

 .input_bold {
    font-weight: bold;
 font-size:15px;
 color: red;
}

.left {
    width: 15%;
    float: left;
    text-align: right;
}
.right {
    width: 50%;
    margin-left: 10px;
    float:left;
}
</style> 
<script>
$(document).ready(function(){

 $("#solve").click(function(){
   
  var amt = $("#amt").val();
  var interest = $("#interest").val();
  var years = $("#years").val();
  
   remarks = (amt*interest*years/100)
 $("#results").val('PHP ' + remarks.toFixed(2));
 
 });

   $("#clear").click(function(){
   $("#amt").val('');
   $("#interest").val('');
   $("#years").val('');
   $("#results").val('');
   $("#amt").focus();
   });
 });
  
 </script>
</head>
<body>
<form>
<br>
<h3>Interest Calculator in jQuery</h3>
<div class="left">
 Amount Loaned
</div>
<div class="right">
 <input type="text" id="amt" size="10" autofocus/><br>
</div>
<br><br>
<div class="left">
 Interest Rate 
</div>
<div class="right">
 <input type="text" id="interest" size="10" /><br>
</div>
<br><br>
<div class="left">
 How many years
</div> 
<div class="right">
 <input type="text" id="years" size="10" />
</div> 
<br><br>
<div class="left">
 The interest is 
</div>
<div class="right">
 <input type="text" id="results" class="input_bold" size="10" readonly/><br>
</div>
 <br><br><br>
 <div class="left">
<button type= "button" id ="solve">Check </button>    
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</div>
<div class="right">
<button type= "button" id ="clear">Clear </button> 
</div>
</form>
</body>
</html>
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