2 var doc
= document
.implementation
.createHTMLDocument('a');
3 var b
= document
.createElement('b');
4 // Give it a node list cache on document
7 // Attach it to doc to update m_document
9 doc
.body
.appendChild(b
);
10 doc
.body
.removeChild(b
);
12 <p>Close the document to see if there's an assertion failure.
</p>