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How do I efficiently obtain the value of first child node of the element without going through the DOM Tree?

April 26, 2017child DOM efficiently element going Node obtain tree value

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How do I efficiently obtain the value of first child node of the element without going through the DOM Tree?

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If you do not need the entire tree, use the SAX interface to return the desired data. Since it is event-driven, it does not have to parse the whole document.