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 "information" to the browser about what document type to expect. In …
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 different HTML and XHTML versions to ensure correct browser rendering.
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 data. It contains what fields are stored for your data, and how they …
Document type declaration - Wikipedia
A document type declaration, or DOCTYPE, is an instruction that associates a particular XML or SGML document (for example, a web page) with a document type definition (DTD) (for example, the formal …
Doctype
Doctype All HTML documents must start with a <!DOCTYPE> declaration. This <!DOCTYPE> tag tells the browser what version of HTML the page is written in.
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 <doctype> Tag.
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 documents correctly.
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 Declaration (DTD) associated with the current document.