createAttribute method
Creates an Attr of the given name. Note that the Attr instance can then be set on an Element using the setAttributeNode method.
To create an attribute with a qualified name and namespace URI, use the createAttributeNS method.
createAttribute(name )
Parameters
String name
The name of the attribute.
Returns
Attr. A new Attr object with the nodeName attribute set to name, and localName, prefix, and namespaceURI set to null. The value of the attribute is the empty string.
Throws
DOMException
INVALID_CHARACTER_ERR: Raised if the specified name contains an illegal character.
这对您有帮助吗?