# HTML <param> Tag

## Example

Set the "autoplay" parameter to "true", so the sound will start playing as soon as the page loads:

<object data="horse.wav">
<param name="autoplay" value="true">
</object>
Try it yourself »

## Definition and Usage

The <param> tag is used to define parameters for plugins embedded with an <object> element.

Tip: HTML 5 also includes two new elements for playing audio or video: The <audio> and <video> tags.

## Browser Support

The <param> tag is supported in all major browsers. However, the file format defined in <object> may not be supported in all browsers.

Element |  |  |  |  |
--- | --- | --- | --- | --- | ---
<param> | Yes | Yes | Yes | Yes | Yes

## Differences Between HTML 4.01 and HTML5

The "type" and "valuetype" attributes are not supported in HTML5.

## Differences Between HTML and XHTML

In HTML the <param> tag has no end tag.

In XHTML the <param> tag must be properly closed, like this <param />.

## Attributes

Attribute | Value | Description
--- | --- | ---
name | name | Specifies the name of a parameter
type | media_type | Not supported in HTML5. Specifies the media type of the parameter
value | value | Specifies the value of the parameter
valuetype | data ref object | Not supported in HTML5. Specifies the type of the value

## Global Attributes

The <param> tag also supports the Global Attributes in HTML.

## Event Attributes

The <param> tag also supports the Event Attributes in HTML.

## Related Pages

HTML DOM reference: Parameter Object

## Default CSS Settings

Most browsers will display the <param> element with the following default values:

param {
display: none;
}

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