Yep, this worked: var price = 3 * 12.95; document.write(price.toFixed(2));
Thanks, I was scouring the web trying to figure that out. I would have been here a while. :) That seems kinda convoluted if you ask me. I guess if I studied the specifics, it would make more sense. Nothing like little problems like this to stress you out under deadline and client pressure! Ray Jim Davis wrote: >>-----Original Message----- >>From: Ray Champagne [mailto:[EMAIL PROTECTED] >>Sent: Wednesday, June 08, 2005 4:35 PM >>To: CF-Community >>Subject: stupid Javascript question >> >>I am trimming this question down to the nitty gritty for simplicity's >>sake: >> >>Why does this javascript: >> >>var price = 3 * 12.95; >> >>give me this result: >> >>38.849999999999994 > > > This is a side-effect of floating-point vrs integer math. > > According to the standards organizations this is, in fact, the correct > answer for a proper JavaScript implementation which uses "double precision > floating point" math. > > In JavaScript v3 and up you can use the "toFixed()" and "toPrecision()" > methods of the "Number" object to address this. > > In your case I think (untested) that this will give you what you need: > > var price = 3 * 12.95; > price.toFixed(2); > > In this case "2" is the number of decimal places you want - the value will > be rounded if the raw math returns more than two. You _might_ be able to do > this, but I'm not sure: > > var price = (3 * 12.95).toFixed(2); > > I don't think that would work... but it might. > > Jim Davis > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Discover CFTicket - The leading ColdFusion Help Desk and Trouble Ticket application http://www.houseoffusion.com/banners/view.cfm?bannerid=48 Message: http://www.houseoffusion.com/lists.cfm/link=i:5:160017 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/5 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:5 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.5 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
