Get how many days before a date

<!-- 
     Example File From "JavaScript and DHTML Cookbook"
     Published by O'Reilly & Associates
     Copyright 2003 Danny Goodman
-->
 
function getDaysBefore(year, month, date) {
    var oneMinute = 60 * 1000;
    var oneHour = oneMinute * 60;
    var oneDay = oneHour * 24;
    var today = new Date();
    var targetDate = new Date();
    targetDate.setYear(year);
    targetDate.setMonth(month);
    targetDate.setDate(date);
    alert(targetDate);
    var diff = targetDate.getTime() - today.getTime();
    diff = Math.floor(diff/oneDay);
    return diff;
}

1.	Demo all methods in Date class
2.	how many days Between two dates
3.	Today's Date
4.	Display date: day month year in string
5.	Date: date, month, and year.
6.	Set date: setDate, setHour
7.	UTC time: getUTCDate returns the Universal Coordinated Time
8.	Display weekday: name of the current day
9.	Display full date : complete date with the day name and month name
10.	Display time: continues writing time per second.
11.	Date: Week of the year
12.	Display current date: year, month day in number
13.	Extending the Date Object to Include Some New Methods
14.	Methods and Properties of the Date Object
15.	Using the Date Object
16.	Output day
17.	A Dynamic Welcome Message
18.	How Many Days Until Christmas
19.	Summer Games Countdown
20.	Simple Date Validation
21.	GMT Calculator
22.	Days Before Next Christmas Xmas

Get how many days before a date : Date « Development « JavaScript DHTML

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