i18n stands for internationalization

l10n stands for localization

g11n stands for globalization

GlobalizationError.UNKNOWN_ERROR (return value 0), a generic error occurred

GlobalizationError.FORMATTING_ERROR (return value 1), an error occurred during a formatting operation

GlobalizationError.PARSING_ERROR (return value 2), an error occurred during a parsing operation

GlobalizationError.PATTERN_ERROR (return value 3), an error occurred recovering a currency, date or number pattern

getPreferredLanguage , returns the string identifier for the device's current language; the string is stored in the value property of the object received as an argument in the success handler (i.e. {value: 'English'}).

getLocaleName , returns the locale identifier according to the device's current language; the string is stored in the value property of the object received as an argument in the success handler (i.e., {value: 'en'}).

dateToString , returns a date formatted as a string according to the client's locale and time zone; the method accepts a Date object as the first argument and an optional options object as the last argument:

var globalization = navigator.globalization;

var today = new Date();
globalization.dateToString(today, onSuccess, onError);

The returned result is stored in the value property of the object received as an argument in the success handler (i.e., {value: '06/14/2013 12:49 PM'}).

stringToDate , parses a date formatted as a string, and depending on the device's preferences and calendar, returns the corresponding Date object as an argument in the success handler.

getDatePattern , returns an object received as an argument in the success handler containing:

The method accepts an optional options object through which it's possible to specify the format length (i.e., short, medium, long, or full) and the data to be returned (i.e., date, time, or date and time).

getDateNames , returns an array of names of the months or days of the week depending on the device's settings; the array is stored in the value property of the object received as an argument in the success handler (i.e., {value: Array[12]}).

isDayLightSavingsTime , returns a Boolean stating whether daylight saving time is in effect for a given Date object passed as the first argument using the device's time zone and calendar; the value is stored in the dst property of the object received as an argument in the success handler (i.e., {dst: true}).

getFirstDayOfWeek, returns as a number the first day of the week depending on the device's user preferences and calendar, assuming that the days of the week are numbered starting from 1 ( = Sunday). The string is stored in the value property of the object received as an argument in the success handler (i.e., {value: 1}).

numberToString, returns the number passed as the first argument formatted as a string according to the client's locale and preferences; the number is stored in the value property of the object received as an argument in the success handler (i.e., {value: '12,456,246'}).

stringToNumber, returns the string passed as the first argument formatted as a number according to the client's locale and preferences; the number is stored in the value property of the object received as an argument in the success handler (i.e., {value: 1250.04}).

getNumberPattern, returns an object received as an argument in the success handler containing:

getCurrencyPattern , returns an object received as an argument in the success handler containing a pattern string to format and parse currencies according to the currency code passed as the first argument and the device's preferences; the number of fractional digits to use when parsing and formatting numbers, the rounding increment to use when parsing and formatting, the ISO 4217 currency code for the pattern, and so on (i.e., {code: 'EUR', decimal: '.', fraction: 2, grouping: ',', pattern: '$#,##0.00;(¤#,##0.00)', rounding: 0}).