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Understanding MVC

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Displaying the View

1:31 with Jonathan Barrios

Learn the role of the view in presenting information to an end user.

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    Final step in the MVC model. 0:00
    The stage just before the end user gets to see anything is the view. 0:02
    Back to the IMDb example, the model sends data to the controller, but 0:06
    the controller can't just send raw information back to the user. 0:10
    It needs to make sure the data is presentable. 0:14
    That's the job of the view. 0:17
    The view is the programming that handles presentation. 0:19
    As with models, you'll have lots of different views. 0:22
    One for each page or each component on a page. 0:26
    And almost always, you'll use some templating language that combines data and 0:30
    templates to create robust web pages or views. 0:35
    The view essentially returns a complete web page to the controller, 0:38
    then delivers it to the user. 0:43
    Again, the controller hands data to the view. 0:45
    Waits for the view to deliver the results, then sends those results to the user. 0:48
    A complete web application may include multiple controllers, 0:53
    models and views that all handle individual tasks. 0:57
    By dividing tasks into separate modules or functions, 1:01
    you can build web applications one layer at a time. 1:05
    Combining different models with different views and 1:09
    controlling all of them using the centralized logic of the controller. 1:12
    It might take some time to wrap your head around this approach to 1:17
    building web applications. 1:20
    But once you understand the MVC pattern, you'll be able to design and 1:22
    build web applications more quickly, consistently and effectively. 1:26

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