A web application is an application software that runs in a web browser
or is created in a browser-supported programming language (such as the
browser to render the application.
Common web applications include webmail, e-commerce systems, online
accounting, and many other functions.
technologies, application-specific methods such as drawing on the
screen, playing audio, playing video, and access to the keyboard and
mouse are all possible. Many services have worked to combine all of
these into a more familiar interface that adopts the appearance of an
operating system. General purpose techniques such as drag and drop are
also supported by these technologies. Web programmers often use client-
side scripting to add functionality, especially to create an interactive
experience that does not require page reloading.
Some technologies used to create web applications are: such as ASP, CGI,
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