Firefox 3 features for developers
Developers are trying to handle on all the new features that are in Firefox 3 and this is the perfect place to start. For web dating web applications for Firefox3 there are number of changes in the upcoming Firefox 3 that might affect your web application or web site and along with it there are new features that you may wish to make use of it. This article is start points as you work on bring up to date your content to take the fullest benefit of the Firefox 3. There are features like DOM changes where you can nodes for external documents should be cloned by using Import Node or can also adopt using adopt node before they can be included into the current document. Firefox does not at present implement this rule. Firefox support web developers to fix their code to follow this rule for better future compatibility.
For HTML changes, Firefox 3 shut a security bug in frames and iframes that is permitted to inherit the parents personality set. This could cause troubles in some cases. Frames are only allowed to come into parents character set if both parent and frame were loaded from the server. If you have pages that resume that frames loaded from other servers will inherit the same character set then you should fill in the frames HTML to specify their character set specifically. You can also change to font size based on em, ex units that is also known as CSS changes. Font size values in ex and em units used to get affect by the user’s minimum font size, the ex and em units for font-size setting supported on this would be enlarged consequently. This was in compatible with the way percentage based font size are performed.
In previous versions of Firefox there were cases where user submitted a file for uploading the whole path of the file was available to the web application. Now with Firefox 3 this privacy concern has been resolved and now only the filename itself is obtainable to the web application. The same origin policy for the file has been changed in Firefox 3 and this may affect your content for more information see same-origin for file:URIs. One important change in firefox3 is in JavaScript changes where you need to updates your application and websites with that non-standard and out dated script is no longer supported.
Firefox 3 also provides some features during online and offline events. In order to build a good quality offline capable web application you require to know about your application is actually offline. You also need to know that when your application has return to an online position. When the user comes back online, it helps in resynchronize with the server and when the user is offline it makes sure to queue your server requests for a later time. You web also may require to establish specific documents that can be maintained in the offline resources cache. With API navigator online is a property that maintains a value for online and offline. This property is restructured whenever the user switches into “Offline Mode” by choosing the correspondence menu item i.e. File->Work Offline in Firefox. These two events work when the browser switches between offline and online mode. The vents bubble up from document body, to document, ending at window. Both the events are non-cancelable and it cannot stop the user from coming offline and online.
Web based protocol handlers permit web based applications to participate in the procedure too. It is becoming important as many types of applications are transferred to the web. Actually, there are various web based email handling applications that could process a mail to link. It is not at all difficult to set up a web application as a protocol handler. Generally the web application uses register protocol handler to register itself with the user as a prospective handler for a given protocol.
Tags: Firefox Help
