base – base URL

base – base URL # T

The base element specifies a document-wide base URL for the purposes of resolving relative URLs, and a document-wide default browsing context name for the purposes of following hyperlinks.

Permitted contents #

empty (void element)

Permitted attributes #

global attributes & href★ & target or target★

global attributes

Any attributes permitted globally.

href = URL potentially surrounded by spaces #

The base URL for the document.

target = browsing-context name or keyword NEW #

A browsing context name or keyword for use in following hyperlinks.

Any string that is either of the following:

a browsing-context name
any case-insensitive match for one of the following literal strings: "_blank", "_self", "_parent", or "_top".

Tag omission #

The base element is a void element. A base element must have a start tag but must not have an end tag.

Permitted parent elements #

head

DOM interface #

interface HTMLBaseElement : HTMLElement {
           attribute DOMString href;
           attribute DOMString target;
};

HTML: The Markup Language Reference