sum of n numbers


<html>
<head>
<title>sum of n numbers</title>
<script type="text/javascript" >
var num,i,n,sum=1;
n=window.prompt("enter n value:","0");
num=parseInt(n);
document.write(sum);
for(i=2;i<=num;i++)
{
document.write("+"+i);
sum=sum+i;
}
document.write("="+sum);
</script>
</head>
<body>
<p>click refreshto runscript agine</p>
</body>
</html>

No comments:

My Favorite Books

  • C and Data Structures by Ashok N. kamthane
  • Web Technologies by A. A. Puntambekar
  • Learn HTML and CSS with W3Schools
  • Learn JavaScript and Ajax with W3Schools
  • HTML5 Black Book: Covers Css3, Javascript,XML, XHTML, Ajax, PHP And Jquery
  • HTML5 Application Development Fundamentals: MTA Exam 98-375
  • .NET 4.0 Programming 6-In-1, Black Book
  • SQL Server 2008 R2 Black Book
  • Asp.net 4.0 Projects Covers: net 3.5 And .net 4.0 Codes, Black Book
  • UNIX Shell Programming 1 Edition by Yashavant Kanetkar
  • UNIX and Shell Programming 1 Edition by Richard F. Gilberg, Behrouz A. Forouzan
  • Computer Networks by Andrew S. Tanenbaum
  • Multiple Choice questions in computer science by Timothy J Williams