HTML5 MathML <semantics> Tag

The HTML5 MathML <semantics> tag is an inbuilt element in HTML 5. It is used to markup mathematics there are two possible ways to markup mathematics.

• Presentation MathML is used to control the layout of any mathematical equations.
• Content MathML is designed to encode the semantic mathematical meaning and make expressions understandable to computer algebra systems.

This tag acts as a container element that should contain child elements. There are two more tags that perform with this tag those are <annotation> tag and the <annotation-xml>. This tag The <annotation> element is the container of those elements and contains semantic information in a non-XML format, whereas the <annotation-xml> element contains content in an XML format, like Content MathML or OpenMath. Syntax:

<semantics> child elements </semantics>

Attributes: This tag accepts the below-mentioned attributes and has to use those attributes on <annotation> and <annotation-xml>.

• definitionURL: This attribute holds the location of the annotation symbol.
• encoding: This attribute is used to encode the semantic information in the annotation.
• cd: This attribute is used to hold the annotation symbols.
• name: This attribute holds the name of the annotation key symbol.
• src: This attribute holds the location of an external source for semantic information.

Below example illustrates the <semantics> tag in HTML 5: 

Output:

 👁 Image
 

Supported Browsers: The browsers supported by HTML 5 MathML <semantics> tag are listed below:

• Firefox