Question

1

How to know date is today?

rated 0 times [ 8] [ 7] / answers: 1 / hits: 27568 / 14 Years ago, sat, november 27, 2010, 12:00:00

I am trying this but is not working... why?

<html>

<body>

    <script type=text/javascript>



        var today=new Date(); //today is Nov 28, 2010

        today.setHours(0);

        today.setMinutes(0);

        today.setSeconds(0);

        document.write(today+ );



        var today2 = new Date(November 28, 2010);

        document.write(today2 +  );

        if (today == today2) { document.write(==);

        if (!(today > today2) && !(today < today2) ) {document.write(==  );}

        if (today > today2) { document.write(>  );}

        if (today >= today2 ){ document.write(>=  );}

        if (today < today2 ) { document.write(<  );}

        if (today <= today2 ){ document.write(<=  );}



    </script>

</body>

</html>

And I always get this:

Sun Nov 28 2010 00:00:00 GMT+0900 (JST) Sun Nov 28 2010 00:00:00 GMT+0900 (JST) > >=

Aren't both dates to be the same? Hence, I should get == printed but is not happening... ;(

Thank you for your help in advance.

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jonmicahm

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4 Years ago

answered 14 Years ago wilson · Accepted Answer

They will never match because you're comparing two separate Date object instances.

You need to get some common value that can be compared. For example .toDateString().

today.toDateString() == today2.toDateString();  // true

If you just compare two separate Date objects, even if they have the exact same date value, they are still different.

For example:

today == new Date( today );  // false

They are the same date/time value, but are not the same object, so the result is false.