HTML doctype declaration - W3Schools
Definition and Usage All HTML documents must start with a <!DOCTYPE> declaration. The declaration is not an HTML tag. It is an …
Doctype - Glossary | MDN - MDN Web Docs
Jul 11, 2025 · Doctype In HTML, the doctype is the required <!doctype html> preamble found at the top of all documents.
HTML DOCTYPE Declaration - GeeksforGeeks
Apr 3, 2026 · Doctype Declaration for Different Version of HTML and XHTML Specifies the appropriate DOCTYPE syntax used for …
DocType
A DocType is the core building block of any application based on the Frappe Framework. It describes the Model and the View of your …
Document type declaration - Wikipedia
A document type declaration, or DOCTYPE, is an instruction that associates a particular XML or SGML document (for example, a …
Doctype
Doctype All HTML documents must start with a <!DOCTYPE> declaration. This <!DOCTYPE> tag tells the browser what version of …
HTML <!DOCTYPE> Tag - CSS Portal
Dec 26, 2025 · Learn about the HTML <doctype> Tag. View description, syntax, values, examples and browser support for the …
HTML DOM Document doctype Property - W3Schools
Browser Support document.doctype is a DOM Level 1 (1998) feature. It is fully supported in all browsers:
HTML <!DOCTYPE> Declaration - W3docs
Learn the HTML <!DOCTYPE> declaration: use <!DOCTYPE html> to trigger Standards Mode, avoid Quirks Mode bugs, and start …
Document: doctype property - Web APIs | MDN - MDN Web Docs
Jul 15, 2024 · The doctype read-only property of the Document interface is a DocumentType object representing the Document Type …