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Today’s Coding Challenge

In one of my applications, I use jQuery’s UI Datepicker as part of the interface for easy date selection in adding and editing some data. I have two screens that show the current date. One screen is a report that says "Today’s date is…" and shows the current date. The other is the form for adding this data. The datepicker calendar is supposed to default to today’s date.

Problem 1: On the development server, the report and the form both default to today’s date. On the staging server, the report and the form both default to today’s date. On the production server, the report defaults to today’s date; the form defaults to December 31, 1998.Solved. In a special case, a null string was being passed when a date type was expected.

Problem 2: When editing, if the date is in the current monthmonths of March and November, the highlights for datepicker don’t work. The day still gets selected appropriately but the date itself is never highlighted making the user think they didn’t click the date. Click to see a working example of the problem. Update: This is partially fixed. In UI version 1.5.2, the highlight does not work in November or March. This is demonstrated at I tested with the 1.6rc2 release candidate and November now works but March is still not highlighting correctly (the first week highlights but no others). This is demonstrated at I’ll be submitting a bug report to the jQuery UI team.

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jQuery’s datepicker driving me nuts

I love jQuery! And its UI library. But I’m having difficult implementing a simple date picker. The datepicker method is throwing an error for me: "inst is undefined datepicker" The solution of adding "{onSelect: function() {}}" did not work. I’m at the point of no return. Choosing a different calendar application.

Update: Solved! I had an artifact left over from trying to implement the Yahoo! User Interface (YUI) Library‘s calendar. jQuery’s UI datepicker conflict’s with YUI’s datepicker.