The behavior layer can be used to achieve an unlimited number of results acting on the other layers or
separately from them. Table 14 - 1 shows the more common problems that the behavior layer is called to
resolve without the need for reloading the whole page.
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Table 14-1
Problem Description
Lazy Loading A portion of the document is loaded only if the user requires it. A classical
example of it is having a list (or a table) of records where the user selects one
of them and a detailed and richer block of information is displayed near
there.
Data Update An element on the page requires being refreshed several times during the
page lifecycle. It can be a block on a web page that displays stock-quotes or
live information on arrivals and departures of trains/airplanes and so on.
The data update can occur on schedule or by user request.
Data Completion The UI provides hints to the user to speed-up the data input. A search box
can provide the auto-completion of recognized keywords.
Data Manipulation The content is manipulated dynamically to provide a better experience to the
user.
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