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# Library Examples: IO

## IO: Examples

The IO Utility provides support for HTTP transactions using a convenient interface normalized across the A-Grade browsers.

- GET Transaction: Explores the use of HTTP GET to request data from the server, and handling the transaction lifecycle using events.
- POST Transaction: Explores the use of HTTP POST to send data to the server and retrieve the server's response.
- XML Transaction — Retrieving a Yahoo! Weather RSS (XML) Feed via a Server-Side Proxy: Demonstrates how to retrieve XML data from a web service and make use of that information within the page.
- Cross-Domain JSON Transaction — Retrieving a News Feed from Yahoo! Pipes: Fetch a cross-domain, JSON-formatted RSS news feed directly from Yahoo! Pipes.

### Examples That Make Use of IO

- Adding Submenus On The Fly (included with examples for the MenuNav Node Plugin)
- IO Plugin (included with examples for the Overlay)
- Portal Style Example (included with examples for the Drag & Drop)

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