HTML <command> checked Attribute
A pre-selected <command> element:
<command type="radio" label="Left" checked
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The checked attribute is currently not supported in any of the major browsers.
Definition and Usage
The checked attribute is a boolean attribute.
When present, it specifies that the command should be checked (pre-selected) when the page loads.
Note: This attribute can only be used if type="checkbox" or type="radio".
Differences Between HTML 4.01 and HTML5
The <command> tag is new in HTML5.
Differences Between HTML and XHTML
In XHTML, attribute minimization is forbidden, and the checked attribute must be defined as <command checked="checked">.
HTML <command> tag
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