| This page shows the actual source code used on this site. You can read the article that discusses this code here. If this is the first CYA source code you've seen you should read this overview first.  Did you know you can download all the source code (and the database) of this site? Then get my newsletter to be emailed when I update the source code!
Please spread the word by recommending my site to your friends and colleagues! | This is JScript (server-side JavaScript), not the more common VBScript. More... |
Formatting.asp<!--#include file = "include/Startup.asp"-->
<%
// ============================================
// NOTE: all source code downloaded from CoverYourASP was written by
// James Shaw (unless stated otherwise), and is copyright (c) 2000-2002
// by James Shaw. You can use the code for any purpose, but do not
// publish or distribute the content in any way.
//
// See http://CoverYourASP.com/Legal.asp for up-to-date details.
// ============================================
// output relevant meta tags
Init( "Format library" );
// output common top of page
Header( 'Format library' );
// output page content
Content ( );
// output common bottom of page
Footer( );
// ============================================
// the content of this page - every page has a function 'Content' that
// is called above.
// ============================================
function Content ( )
{
Out ( '<td valign="top" class="content">' );
Out ( 'I had to display some floating point numbers to 2 decimal places yesterday. (VBScript guys, please cover your eyes and ears, I\'m gonna whisper this)' );
Out ( '<p><center><i>JavaScript doesn\'t provide a method for this</i></center>' );
Out ( '<p>I couldn\'t believe it either. But being a die-hard C programmer I like challenges! I only had to deal with positive numbers in the application I was writing, so take heed. Negative numbers are not supported!' );
Out ( '<p>Here are some examples of numbers, both raw and formatted to demonstrate. Note how they all have 2 decimal places and are rounded up to the nearest penny.' );
Out ( '<center><table cellspacing="10" border="0">' );
Out ( '<tr align="right"><td>Raw<br><hr></td><td>Formatted<br><hr></td></tr>' );
var fData = new Array ( 1.0, 1.1, 1.23, 1.234567, 1.235, 1.236 );
for ( var i=0; i<fData.length; i++)
Out ( '<tr align="right"><td>' + fData [ i ] + '</td><td>' + FormatCurrency ( fData [ i ] )+ '</td></tr>' );
Out ( '</table></center>' );
Out ( '<p><center><a href="ShowSource.asp?page=Formatting"><img src="images/source.gif" border=0></a></center>' );
ShowBottomBanner()
Out ( '</td>' );
Out ( '<td background="images/gx/navgap.gif" valign="top">' );
// show rotating banners
ShowBanners ( 2 );
Out ( '</td>' );
}
%> |
utils/Format.asp<%
// ============================================
// NOTE: all source code downloaded from CoverYourASP was written by
// James Shaw (unless stated otherwise), and is copyright (c) 2000-2002
// by James Shaw. You can use the code for any purpose, but do not
// publish or distribute the content in any way.
//
// See http://CoverYourASP.com/Legal.asp for up-to-date details.
// ============================================
// ============================================
// make currency format
// ============================================
function FormatCurrency ( fPrice )
{
// convert to string, and round up 2 dp
var sCurrency = "" + ( fPrice + 0.00500000001 );
// find .
var nPos = sCurrency.indexOf ( '.' );
if ( nPos < 0 )
{
sCurrency += '.00';
}
else
{
// hack off 3rd dp
sCurrency = sCurrency.slice ( 0, nPos + 3 );
// add up to 2 trailing zeroes if necessary
var nZero = 3 - ( sCurrency.length - nPos );
for ( var i=0; i<nZero; i++ )
sCurrency += '0';
}
return sCurrency;
}
// ============================================
// get a simple date in "12/12/2000" format
// ============================================
function FormatDateDMY ( dateSeed )
{
var date = new Date ( dateSeed );
return (date.getMonth() + 1) + '/' + date.getDate() + '/' + date.getFullYear();
}
// ============================================
// get a verbose date in "Dec 12 2001" format
// ============================================
function FormatDateDMYv ( dateSeed )
{
var date = new Date ( dateSeed );
return sMonths [ date.getMonth() ] + ' ' + date.getDate() + ' ' + date.getFullYear ( );
}
// ============================================
// get a short date in "12 Dec" format
// ============================================
var sMonths = new Array ( "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" );
function FormatDateDM ( dateSeed )
{
var date = new Date ( dateSeed );
return date.getDate() + ' ' + sMonths [ date.getMonth() ];
}
%> |
Hopefully much of this is self-explanatory. If not, or if you see ways that I can improve the code, please drop me a line. To see the source code for this page, click on the icon below. | |
