A simple program to show How to find the sum of the digits from 1 to desired digit using JavaScript.
Create a simple HTML page using this code and view the result.
<html>
<head>
<title>Sum of Nos</title>
</head>
<script language="javascript">
function findsum(num) {
var i, sum = 0;
for (i = 1; i <= num; i++) {
sum += i;
}
alert("The sum of the digits from 1 to "+ num + " is:\n\n\t " + sum);
}
</script>
<body>
JavaScript Program - Find the sum of the digits.
<form name="adddigits">
The sum of the digits from 1 to:
<input type="text" name="num">
<input type="button" value="Calculate" onClick="findsum(adddigits.num.value)">
</form>
</body>
</html>
When you test it in your browser yow will see something like this:
Create a simple HTML page using this code and view the result.
<html>
<head>
<title>Sum of Nos</title>
</head>
<script language="javascript">
function findsum(num) {
var i, sum = 0;
for (i = 1; i <= num; i++) {
sum += i;
}
alert("The sum of the digits from 1 to "+ num + " is:\n\n\t " + sum);
}
</script>
<body>
JavaScript Program - Find the sum of the digits.
<form name="adddigits">
The sum of the digits from 1 to:
<input type="text" name="num">
<input type="button" value="Calculate" onClick="findsum(adddigits.num.value)">
</form>
</body>
</html>
When you test it in your browser yow will see something like this:
No comments:
Post a Comment