class DOM.HTMLCollection |
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An HTMLCollection is a list of nodes. An individual node may be accessed by either ordinal index or the node's name or id attributes. Note: Collections in the HTML DOM are assumed to be live meaning that they are automatically updated when the underlying document is changed.
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Internal not part of the DOM |
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This method retrieves a node specified by ordinal index. Nodes are numbered in tree order (depth-first traversal order).
index - The index of the node to be fetched. The index origin is 0. Returns The Node at the corresponding position upon success. A value of null is returned if the index is out of range.
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This attribute specifies the length or size of the list.
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This method retrieves a Node using a name. It first searches for a Node with a matching id attribute. If it doesn't find one, it then searches for a Node with a matching name attribute, but only on those elements that are allowed a name attribute.
name - The name of the Node to be fetched. Returns The Node with a name or id attribute whose value corresponds to the specified string. Upon failure (e.g., no node with this name exists), returns null .
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