Using the
browser cookies the scripts can have access to small pieces of data stored on
the client side. Those may be used to remember useful settings when
changing page in the same domain or getting back to the site in a subsequent
navigation session.
The Web Developer Tools
Developing for the client side can be tricky. To maximize the opportunities to investigate and debug your
applications, it is suggested that you use proper tools. Although many IDEs exist, both commercial and
open source, that effectively target the JavaScript development, there are some tools that are easy to
obtain because of open source that cannot miss in your development toolbox.
Firefox: Is a cross - platform (Windows, Mac OSX, Linux and almost any operative system with a
graphical front end) and its implementation is consistent in every environment. It is very flexible
because it allows it to be enhanced using plug - ins known as extensions . The Firefox developers
are very careful to implement and to be on par with the latest standard released and particularly
the standards coming from the World Wide Web Consortium (W3C).
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