View Full Version : function output modification

08-29-2006, 11:53 PM
I'm a JS newbie so forgive me if this is a stupid question. I'm trying to use an age calculator on my site. I like the one from Javascript Kit, but I'd like it to give the age in months if the person is less than 24 months old.

Here's the code:


Ultimate Age calculator script- By JavaScript Kit (http://www.javascriptkit.com)
Over 200+ free scripts here!
Credit must stay intact for use

var one_day=1000*60*60*24
var one_month=1000*60*60*24*30
var one_year=1000*60*60*24*30*12

function displayage(yr, mon, day, unit, decimal, round){
today=new Date()
var pastdate=new Date(yr, mon-1, day)

var countunit=unit
var decimals=decimal
var rounding=round

finalunit=(countunit=="days")? one_day : (countunit=="months")? one_month : one_year
decimals=(decimals<=0)? 1 : decimals*10

if (unit!="years"){
if (rounding=="rounddown")
document.write(Math.floor((today.getTime()-pastdate.getTime())/(finalunit)*decimals)/decimals+" "+countunit)
document.write(Math.ceil((today.getTime()-pastdate.getTime())/(finalunit)*decimals)/decimals+" "+countunit)
tail=(today.getMonth()>mon-1 || today.getMonth()==mon-1 && today.getDate()>=day)? 1 : 0
pastdate2=new Date(today.getFullYear()-1, mon-1, day)
tail=(tail==1)? tail+Math.floor((today.getTime()-pastdate.getTime())/(finalunit)*decimals)/decimals : Math.floor((today.getTime()-pastdate2.getTime())/(finalunit)*decimals)/decimals
document.write(yearspast+tail+" "+countunit)

//Sample usage
//displayage (year, month, day, unit, decimals, rounding)
//Unit can be "years", "months", or "days"
//Decimals specifies demical places to round to (ie: 2)
//Rounding can be "roundup" or "rounddown"

//displayage(1997, 11, 24, "years", 0, "rounddown")


And the call for it in the body:

JavaScriptKit.com is <b>
displayage(1997, 11, 24, "days", 0, "rounddown")
</b> old!<br>

displayage(2000, 1, 1, "months", 0, "rounddown")
</b> has passed since the Millennium.<br>

Bill Gates is
displayage(1955, 10, 28, "years", 0, "rounddown")
</b> old.

Philip M
08-30-2006, 08:32 AM
Have we not been here before?


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