# Yahoo! UI Library

### DataSource Utility 2.8.0r4

Yahoo! UI Library > datasource > YAHOO.util.LocalDataSource
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## Class YAHOO.util.LocalDataSource - extends YAHOO.util.DataSourceBase

LocalDataSource class for in-memory data structs including JavaScript arrays, JavaScript object literals (JSON), XML documents, and HTML tables.

### Constructor

YAHOO.util.LocalDataSource `( oLiveData , oConfigs )`

Parameters:
  `oLiveData <HTMLElement>` Pointer to live data.
  `oConfigs <object>` (optional) Object literal of configuration values.

#### Properties inherited from YAHOO.util.DataSourceBase:

`_aCache, _aIntervals, _oQueue, _sName, dataType, ERROR_DATAINVALID, ERROR_DATANULL, liveData, maxCacheEntries, parseJSONArgs, responseSchema, responseType, TYPE_HTMLTABLE, TYPE_JSARRAY, TYPE_JSFUNCTION, TYPE_JSON, TYPE_LOCAL, TYPE_SCRIPTNODE, TYPE_TEXT, TYPE_UNKNOWN, TYPE_XHR, TYPE_XML, useXPath`

#### Methods inherited from YAHOO.util.DataSourceBase:

`addToCache, clearAllIntervals, clearInterval, doBeforeCallback, doBeforeParseData, flushCache, getCachedResponse, handleResponse, isCacheHit, makeConnection, parseArrayData, parseData, parseHTMLTableData, parseJSONData, parseTextData, parseXMLData, parseXMLResult, sendRequest, setInterval, toString`

#### Events inherited from YAHOO.util.DataSourceBase:

`cacheFlushEvent, cacheRequestEvent, cacheResponseEvent, dataErrorEvent, requestEvent, responseCacheEvent, responseEvent, responseParseEvent,`

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