The compareDocumentPosition() method compares the document position of the current node, with a specified node, according to the document order.
|node||Required. Specifies the node to compare with the current node|
Firefox, and most other browsers, will treat empty white-spaces or new lines as text nodes, Internet Explorer will not. So, in the example above, Mozilla browsers will output 4, while Internet Explorer will output 2.
To read more about the differences between browsers, visit our DOM Browsers chapter in our XML DOM Tutorial.
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