http://www.w3.org/2001/DOM-Test-Suite/level2/html/HTMLTableElement19

## Test http://www.w3.org/2001/DOM-Test-Suite/level2/html/HTMLTableElement19

<test name='HTMLTableElement19' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
<metadata>
<title>HTMLTableElement19</title>
<creator>NIST</creator>
<description> The createTHead() method creates a table header row or returns an existing one. Create a new THEAD element on the first TABLE element. The first TABLE element should return null to make sure one doesn't exist. After creation of the THEAD element the value is once again checked and should not be null. </description>
<contributor>Rick Rivello</contributor>
<date qualifier='created'>2002-05-02</date>
<subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-html#ID-70313345'/>
</metadata>
<var name='nodeList' type='NodeList'/>
<var name='testNode' type='Node'/>
<var name='vsection1' type='HTMLTableSectionElement'/>
<var name='vsection2' type='HTMLTableSectionElement'/>
<var name='newHead' type='HTMLElement'/>
<var name='doc' type='Document'/>
<load var='doc' href='table' willBeModified='true'/>
<getElementsByTagName interface='Document' obj='doc' var='nodeList' tagname='"table"'/>
<assertSize collection='nodeList' size='3' id='Asize'/>
<item interface='NodeList' obj='nodeList' var='testNode' index='0'/>
<tHead interface='HTMLTableElement' obj='testNode' var='vsection1'/>
<assertNull actual='vsection1' id='vsection1Id'/>
<createTHead interface='HTMLTableElement' obj='testNode' var='newHead'/>
<tHead interface='HTMLTableElement' obj='testNode' var='vsection2'/>
<assertNotNull actual='vsection2' id='vsection2Id'/>
</test>

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