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HTML 4.01 Element Reference

By Lee Underwood

Return to HTML 4.01 element index page

Name: Document Type Definition

<!DOCTYPE>

Description: Tells the browser what version of HTML is being used.

Browser Compatibility: NN: 1.0+ / IE: 2.0+ / Opera: 4+

Code Example:

Comments: Should be the first line in the HTML document. Failure to use the element may result in validation errors and page display problems.

XHTML Notes: The DOCTYPE element must appear in the upper/lowercase letters shown here, even in XHTML.

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Created: March 15, 2005

URL: http://webreference.com/html/reference/specs/