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JAVASCRIPT

JavaScript Objects: Dates
By: James Payne
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    2008-02-04

    Table of Contents:
  • JavaScript Objects: Dates
  • The Prototype Property
  • The Date() Method
  • The GetDate() Method
  • The GetMonth() Method

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    JavaScript Objects: Dates - The GetDate() Method


    (Page 4 of 5 )

    Here is a method you nerds could really use. Don't get your hopes up though; it isn't used to get you that kind of date. It is used to extract the day of the month. Here it is in some perty code:


    <html>

    <body>


    <script type="text/javascript">


    var when = new Date()

    document.write(when.getDate())


    </script>


    </body>

    </html>

    This example creates a new variable named "when." It then uses the GetDate() method to extract today's date from the variable (which we filled with data from the Date() function).

    The result is:

      28

    The GetDay() Method

    The GetDay() method allows us to see what day of the week it is, in numeric form. It is coded like this:


    <html>

    <body>


    <script type="text/javascript">


    var when = new Date()

    document.write("Today is this day of the week:")

    document.write(when.getDay())


    </script>


    </body>

    </html>

    This would result in:

    Today is this day of the week:

      4

    Note that Sunday is the 0 day of the week, so 4 would be Thursday.

    Now what if we wanted to create a more helpful program that went ahead and told us the day of the week with a word, so we didn't have to use our brain? Well, we could do it this way:


    <html>

    <body>


    <script type="text/javascript">


    var when=new Date()

    var whatday=new Array(7)

    whatday[0]="Sunday!"

    whatday[1]="Monday!"

    whatday[2]="Tuesday!"

    whatday[3]="Wednesday!"

    whatday[4]="Thursday!"

    whatday[5]="Friday!"

    whatday[6]="Saturday!"


    document.write("The day of the week is... " + whatday[when.getDay()])


    </script>


    </body>

    </html>

    This would print out:

    The day of the week is...Thursday!

    More JavaScript Articles
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