Sams Teach Yourself HTML5 Mobile Application Development in 24 Hours by Jennifer Kyrnin

Author:Jennifer Kyrnin
Language: eng
Format: epub, pdf
ISBN: 9780132853309
Publisher: Sams Publishing

Date and Time Types

Dates and times are common fields on web forms, and HTML5 provides six specific input types to collect this information:

• <input type=datetime>

• <input type=datetime-local>

• <input type=date>

• <input type=month>

• <input type=week>

• <input type=time>

The date, month, week, and time types should be fairly self-explanatory. Dates are stored in the format:

YYYY-MM-DD

Months are the same, just without the day:

YYYY-MM

Weeks are sent as the year, followed by the number of the week:

YYYY-W##

Time is sent as:

HH:MM

The datetime and datetime-local types provide more specific dates, including both the date and the time. The only difference between the two is that the datetime includes time zone information and the datetime-local assumes the local time zone and so does not include that information. The formats for the data for these types are

• datetime (YYYY-MM-DDTHH:MMZ+00:00)

• datetime-local (YYYY-MM-DDTHH:MM)

The most frustrating aspect of these input types is that right now, although Safari 5 will create a picker that puts the dates in these formats, the only browser that provides a real date picker is Opera 9. Figure 13.6 shows what the Opera date picker looks like.

Figure 13.6. A date picker in Opera.

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