Example
Get the doctype name of an HTML document:
var x =
document.doctype.name;
The result of x will be:
html
Try it Yourself »
Definition and Usage
The doctype property returns the doctype of the HTML document, as a DocumentType object.
The DocumentType object has a name property, which returns the name of the doctype.
Note: If the document has no doctype specified, the return value is null.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| doctype | Yes | Yes | Yes | Yes | Yes |
Note: In Internet Explorer 8 and earlier, this property returns null for HTML and XHTML documents, and will only work for XML documents.
Syntax
document.doctype
Technical Details
| Return Value: | The document's doctype, as a DocumentType object |
|---|---|
| DOM Version | Core Level 1 Document Object |
Related Pages
HTML reference: HTML <!DOCTYPE> Declaration