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HTML command checked property

Tag Reference HTML command HTML <command> tag

Examples

A pre-selected <command> element:

<menu>
<command type="radio" label="Left" checked
onclick="setAlign('left')">Left</command>
</menu>

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Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

Currently, almost all the mainstream browsers do not support checked property.

Definition and Usage

checked property is a Boolean property.

When checked attribute specifies the page loads should be pre-selected command element.

Note: Only when the command type is set to checkbox or radio, that is only when type = "checkbox" or type = "radio" when, to use this property.

Differences between HTML 4.01 and HTML5

<Command> tag is new in HTML5 tags.

Differences between HTML and XHTML

In XHTML, prohibit attribute minimization, checked attribute must be defined as <command checked = "checked">.

grammar

<command checked>

Tag Reference HTML command HTML <command> tag