JavaScript DOM NamedNodeMap method: setNamedItem()
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The setNamedItem() method (when applied to
NamedNodeMap objects in the JavaScript
DOM) adds /
sets a specified node (specified by name). If the node already existed then the
old node will be replaced. If it didn’t previously exist then it will be
addNote: if you are setting an element attribute then you can use the element.setAttribute()
instead.
It
has the following syntax with the following parameters. It returns a node
object representing the replaced object (if any), or null if no replacement occurred.
namednodemap.setNamedItem(node)
|
Parameter
|
Required / Optional
|
Description
|
|
node
|
Required
|
Node object to be added
or to replace the relevant old node
|
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