# Yahoo! UI Library

### Logger Widget 2.9.0

Yahoo! UI Library > logger
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### Module: logger

The Logger widget provides a simple way to read or write log messages in JavaScript code. Integration with the YUI Library's debug builds allow implementers to access under-the-hood events, errors, and debugging messages. Output may be read through a LogReader console and/or output to a browser console.

This module contains the following classes:

- LogMsg
- LogReader
- LogWriter
- Logger

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