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The <param> Tag in HTML 5
The <param> tag specifies parameters for an object when the <object> tag is used to embed content from an external resource into a web page.
Using an <object> to embed a YouTube video
The "old" embed code for YouTube uses the object element with <param/> tags, as shown below. (The "new" embed code uses the <iframe> tag instead.)
<param/> Tag Syntax
Rules for coding HTML param/ elements
<body> ... ... flow content expected ... <object type="type/subtype" ...> <param name="pname" value="pvalue"/> ... ... flow content ... </object> ... </body>
<param/> Content Model
Contents of the param element
Content: Empty. All properties are coded using attributes.
Since the <param/> tag is a void element, it is not allowed to have any content, even HTML comments and therefore should always be coded as a self-closing standalone tag, ending with the delimiter string /> rather than just > (<param .../>).
<param> Tag Attributes
Attributes of the <param> tag
| global attributes | In addition to the personal attributes of the <param> tag below, any of the common HTML attributes can also be coded. |
<param> Tag Examples
Examples of the param tag in HTML 5
Example of embedding video in HTML 5
The "old" YouTube embed code used the <object> tag with <param> tags and an <embed> tag. (The "new" YouTube code uses the <iframe> tag.)
<object width="640" height="390"> <param name="movie" value="http://www.YouTube.com/v/GGT8ZCTBoBA?fs=1&hl=en_US"/> <param name="allowFullScreen" value="true"/> <param name="allowscriptaccess" value="always"/> <embed src="http://www.YouTube.com/v/GGT8ZCTBoBA?fs=1&hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="390"/> </object>
The <embed> tag provides a fallback for browsers that do not support the <object> tag.
Changes in HTML 5 - <param> Tag
What's new in HTML 5
Differences between HTML 5 and earlier versions of HTML
The 2000-2010 Recommendations from the W3C HTML Working Group defined the HTML namespace for the param element type name along with the names of all HTML element types. In older (pre-2000) versions of HTML, element type names were not associated with a namespace.