Combines aria-*
properties into one object, so that it is easier (less verbose) to specify
them. When this object is serialized to HTML element, each property name is converted to
dash-style and prefixed with the aria-
string. The values are always converted to strings
according to the following rules:
Combines data-*
properties into one object, so that it is easier (less verbose) to specify
them. When this object is serialized to HTML element, each property name is converted to
dash-style and prefixed with the data-
string. The values are always converted to strings
according to the following rules:
Defines attributes common to all MathML elements