July 2009
Intermediate to advanced
464 pages
12h 25m
English
Content preview from Palm webOS
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Storage
This section describes the Cookie and Depot objects and methods. Each section includes a brief description, repeating some of the information from Chapter 6, followed by an enumeration of each object’s methods with their arguments and return values. Both storage objects are accessed through a direct API, so the format for this entry will be structured as an API entry.
If you’d like more detailed information on the HTML 5 Database object, refer to the specification at http://dev.w3.org/html5/webstorage/#databases.
Mojo.Model.Cookie()
Mojo cookies are technically related to browser cookies, but with an object interface to simplify use by webOS applications. Mojo cookies typically store small amounts of data that will be used to preserve application state and related information, such as preference settings.
Calling the constructor will open the named cookie if it already exists, or if it doesn’t exist, will create it.
Constructor |
|---|
new Mojo.Model.Cookie(cookieName, optionalDocument) |
Arguments | Type | Description |
|---|---|---|
cookieName | String | Name for the cookie; has an application scope so uniqueness across applications is not a requirement |
optionalDocument | Object | Document element to store cookie; defaults to current document |
Methods | |
|---|---|
get() | Returns the object stored in this cookie, or undefined if the cookie doesn’t exist |
put(objectToStore, expirationDate) | Updates the value of this cookie with the passed object with an optional date object to set an expiration date; if no expiration date is set, the cookie will ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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