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Tapestry provides easy-to-use support for Ajax, the technique of using JavaScript to dynamically updating parts of a web page with content from the server without redrawing the whole page. But with Tapestry, you don't have to write any JavaScript code.

Ajax support is included in many built-in components and component mixins.

Zones

Zones are Tapestry's approach to performing partial page updates. A Zone component renders as an HTML element, typically a <div>, with the "t-zone" CSS class. (It also adds some JavaScript to the page to "wire up" a Tapestry.ZoneManager object to control updating that element.)

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