ExtJs 4 convert String to Date Example

Your date may be a numeric value or String data as a JSON response to a Server request. Now having that value converted to a date has its advantages. All you have to do is check the object if it has the getMonth() method. If it does that means its already a date object otherwise just use the parser along the date format. Here is how to do it

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function convertMyDate(value) {     //check if the input value is already a date     if(!value.getMonth){         //if not a date then convert it to date         //specify the format, so if the value is 20120229 then use Ymd format         value = Ext.Date.parse(value,'Ymd');     }     return  value; }

Ext.Date.parse( String input, String format, [Boolean strict] ) : Date

Parses the passed string using the specified date format. Note that this function expects normal calendar dates, meaning that months are 1-based (i.e. 1 = January). Keep in mind that the input date string must precisely match the specified format string in order for the parse operation to be successful (failed parse operations return a null value).

Examples: 

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1 2	myDate = Ext.Date.parse("2012-02-28", "Y-m-d"); myDate = Ext.Date.parse("2012-01-03 5:43:21 PM", "Y-m-d g:i:s A");

Some of the currently supported date formats ...

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Format  Description                                                               Example returned values ------  -----------------------------------------------------------------------   -----------------------   d     Day of the month, 2 digits with leading zeros                             01 to 31   D     A short textual representation of the day of the week                     Mon to Sun   j     Day of the month without leading zeros                                    1 to 31   l     A full textual representation of the day of the week                      Sunday to Saturday   N     ISO-8601 numeric representation of the day of the week                    1 (for Monday) through 7 (for Sunday)   S     English ordinal suffix for the day of the month, 2 characters             st, nd, rd or th. Works well with j   w     Numeric representation of the day of the week                             0 (for Sunday) to 6 (for Saturday)   z     The day of the year (starting from 0)                                     0 to 364 (365 in leap years)   W     ISO-8601 week number of year, weeks starting on Monday                    01 to 53   F     A full textual representation of a month, such as January or March        January to December   m     Numeric representation of a month, with leading zeros                     01 to 12   M     A short textual representation of a month                                 Jan to Dec   n     Numeric representation of a month, without leading zeros                  1 to 12   t     Number of days in the given month                                         28 to 31   L     Whether it's a leap year                                                  1 if it is a leap year, 0 otherwise.   o     ISO-8601 year number (identical to (Y), but if the ISO week number (W)    Examples: 1998 or 2004         belongs to the previous or next year, that year is used instead)   Y     A full numeric representation of a year, 4 digits                         Examples: 1999 or 2003   y     A two digit representation of a year                                      Examples: 99 or 03   a     Lowercase Ante meridiem and Post meridiem                                 am or pm   A     Uppercase Ante meridiem and Post meridiem                                 AM or PM   g     12-hour format of an hour without leading zeros                           1 to 12   G     24-hour format of an hour without leading zeros                           0 to 23   h     12-hour format of an hour with leading zeros                              01 to 12   H     24-hour format of an hour with leading zeros                              00 to 23   i     Minutes, with leading zeros                                               00 to 59   s     Seconds, with leading zeros                                               00 to 59