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XHTML Tags
<!-->
<!DOCTYPE>
<a>
<abbr>
<acronym>
<address>
<applet>
<area>
<b>
<base>
<basefont>
<bdo>
<big>
<blockquote>
<body>
<br>
<button>
<caption>
<center>
<cite>
<code>
<col>
<colgroup>
<dd>
<del>
<dfn>
<dir>
<div>
<dl>
<dt>
<em>
<fieldset>
<font>
<form>
<frame>
<frameset>
<head>
<h1> - <h6>
<hr>
<html>
<i>
<iframe>
<img>
<input>
<ins>
<kbd>
<label>
<legend>
<li>
<link>
<map>
<menu>
<meta>
<noframes>
<noscript>
<object>
<ol>
<optgroup>
<option>
<p>
<param>
<pre>
<q>
<s>
<samp>
<script>
<select>
<small>
<span>
<strike>
<strong>
<style>
<sub>
<sup>
<table>
<tbody>
<td>
<textarea>
<tfoot>
<th>
<thead>
<title>
<tr>
<tt>
<u>
<ul>
<var>

Standard
Attributes
Events

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The <base /> tag

Definition and Usage

The base element specifies a base URL for all the links in a page.

Tips and Notes

Note: The <base /> tag must go inside the head element.

Example

Assume that the absolute address for an image is:

<img src="http://www.w3schools.com/images/smile.gif" />

Now we insert the <base> tag, which specifies a base URL for all of the links in a page, in the head section of a page:

<head>
<base href="http://www.w3schools.com/images/" />
</head>

When inserting images on the page in the example above, we just have to specify the relative address, and the browser will look for that file using the full URL, "http://www.w3schools.com/images/smile.gif": 

<img src="smile.gif" />

Required Attributes

DTD indicates in which XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
href URL Specifies the URL to use as the base URL for links in the page STF

Optional Attributes

Attribute Value Description DTD
target _blank
_parent
_self
_top		 Where to open all the links on the page. This attribute can be overridden by using the target attribute in each link.
  • _blank - all the links will open in new windows
  • _self - all the links will open in the same frame they where clicked
  • _parent - all the links will open in the parent frameset
  • _top - all the links will open in the full body of the window
 TF

Standard Attributes and Events: NONE

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