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Errata
JavaScript: The Definitive Guide, 4th Edition
By
David Flanagan
Publisher
: O'Reilly
Pub Date
: November 2001
ISBN
: 0-596-00048-0
Pages
: 936
Slots
: 1
This fourth edition of the definitive reference to
JavaScript, a scripting language that can be embedded
directly in web pages, covers the latest version of the
language, JavaScript 1.5, as supported by Netscape 6 and
Internet Explorer 6. The book also provides complete
coverage of the W3C DOM standard (Level 1 and Level 2),
while retaining material on the legacy Level 0 DOM for
backward compatibility.
Availability
DOM Level 2 Traversal
Synopsis
void detach( );Description
DOM implementations keep track of all NodeIterator objects created
for a document, because they may need to modify the state of the
NodeIterator when certain Document nodes are deleted. When you are
certain that a NodeIterator isn't needed anymore, call
detach( ) to tell the implementation that it no
longer needs to keep track of it. Note, however, that once you call
this method any subsequent call to nextNode( ) or
previousNode( ) will throw an exception.
Calling detach( ) is not required, but doing so
may improve performance when the document is being modified and the
NodeIterator object is not immediately garbage collected.
