w3resource

HTML classid attribute

classid

The purpose of the HTML classid attribute is to specify the URL of the implementation for an embedded object.

Supported elements

HTML classid attribute supports object element.

Syntax

<object classid="value">..............</object>

Type of value

URL.

Value

A URL.

Default value

There is no default value.

Supported doctypes

HTML 4.01 strict, HTML 4.01 transitional, HTML 4.01 frameset.

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