Sunday, May 22, 2016

Sum of Digits in JavaScript

A simple program that I wrote using JavaScript as my programming language that will ask the user to give a number and then our program will add the sum of digits in a given number by our user. The code is very to understand.

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My mobile number here in the Philippines is 09173084360.



Sample Program Output


Program Listing

<!DOCTYPE html>  
<html>   
<head>  
<meta charset=utf-8 />  
<title>Sum of Digits in JavaScript</title>  
<style type="text/css">  
body {
    font-family:arial;
font-size:12;
font-weight:bold;
    background-color:lightgreen;
margin: 30px;
}
</style>   
</head>  
<body>  
<script>

function Sum_of_Digits() {

 var number = document.getElementById("number1").value;
            
  var str = number.toString();
  var sum = 0;

  for (var i = 0; i < str.length; i++) {
    sum += parseInt(str.charAt(i), 10);
  }
document.getElementById("result").innerHTML = sum;

}

</script>
<hr>
<h2>Sum of Digits in JavaScript </h2>
 <hr>

<form>  
Enter a number <input type="text" id="number1"  maxlength="10" size="10"><br>  
<br>
<input type="button" onClick="Sum_of_Digits()" Value="Ok" 
title="Click here to find the total sum of digits of a number." />  &nbsp;
</form>  <br>
<p>The total sum of digits is : 
<span id = "result"></span>  
</p>  
</body>  
</html>  


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