getAttributeNS returns the string value of the attribute with the specified namespace and name.
getAttributeNS returns the string value of the attribute with the specified namespace and name. If the named attribute does not exist, the value returned will either be null or "" (the empty string); see Notes for details.
MDN
Returns the Attr node for the attribute with the given namespace and name.
Returns the Attr node for the attribute with the given namespace and name.
MDN
Returns the specified attribute of the specified element, as an Attr node.
Returns the specified attribute of the specified element, as an Attr node.
MDN
getAttribute() returns the value of the named attribute on the specified element.
getAttribute() returns the value of the named attribute on the specified element. If the named attribute does not exist, the value returned will either be null or "" (the empty string); see Notes for details.
MDN
The namespace URI of the element, or null if it is no namespace.
The namespace URI of the element, or null if it is no namespace.
MDN
A DOMString representing the namespace prefix of the element, or null if no prefix is specified.
A DOMString representing the namespace prefix of the element, or null if no prefix is specified.
MDN
setAttributeNodeNS adds a new namespaced attribute node to an element.
setAttributeNodeNS adds a new namespaced attribute node to an element.
MDN
setAttributeNode() adds a new Attr node to the specified element.
setAttributeNode() adds a new Attr node to the specified element.
MDN
https://dom.spec.whatwg.org/#interface-element