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Zones are Tapestry's approach to performing partial page updates. A Zone component renders as an HTML element, typically a <div>, and serves as a marker for where dynamically-updated content should be replaced. Starting in Tapestry 5.4 you can use any HTML element in your template as that marker, using the two-argument version of the addRender method.
A zone is recognizable in the DOM because it will have the attribute data-container-type=zone
. The client-side support for Zones is keyed off of this attribute and value.
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