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HTML <base> Tag


Example

Specify a default URL and a default target for all links on a page:

<head>
  <base href="http://booksky.99lb.net/" target="_blank">
</head>

<body>
<img src="images/stickman.gif" width="24" height="39" alt="Stickman">
<a href="tags/tagbase.shtml">HTML base Tag</a>
</body>
来试试吧 »

Definition and Usage

The <base> tag specifies the base URL and/or target for all relative URLs in a document.

The <base> tag must have either an href or a target attribute present, or both.

There can only be one single <base> element in a document, and it must be inside the <head> element.


Browser Support

Element
<base> Yes Yes Yes Yes Yes

Attributes

Attribute Value Description
href URL Specifies the base URL for all relative URLs in the page
target _blank
_parent
_self
_top
Specifies the default target for all hyperlinks and forms in the page

Global Attributes and Events

The <base> tag also supports the Global Attributes in HTML.


Event Attributes

 The <base> tag does not support any event attributes.


Related Pages

HTML DOM reference: Base Object


Default CSS Settings

None.





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