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The HTML meta element allows authors to insert custom varibales or properties for HTML documents. These variables are composed by two values: the name of the property and its value. Aditionally, you can include other information that may improve the comprehension of its purpose.
The HTML meta element must be included in the head section of the document and can contain information like: author, keywords, descriptions, dates, expiration dates, codes, identifiers, ISBN numbers, etc.
Specifies the language of an element's content. The default value in "unknown".
When writing XHTML 1.0 documents, the attribute used to specify the language of an elements is "xml:lang". For forward and backward compatibility both attributes can be used simultaneously like in the example below. Note, that in XHTML 1.1 the "lang" attribute has been completely replaced by "xml:lang" and its use is no longer valid.
This attribute indicates the direction in which the texts of the element must be read. This includes content, attribute values and tables. It has two possible values that are case-insensitive:
This attribute assigns a property name.
This attribute assigns a value to the property.
This attribute can be used to replace the "name" attribute. HTTP servers use information in this type of meta elements to send header information as response when a page is requested.
This attribute provides user agents with aditional information to correctly interpret the property.
This element doesn't support any event.
See a complete list and information about events in HTML
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