HTML5 <base> tag
May 03, 2021 HTML5
Table of contents
2. Label definition and instructions for use
4. The difference between HTML 4.01 and HTML5
Specify the default URL and default destination for all links on the page:
<head><base href="//statics.w3cschool.cn/images/w3c/" target="_blank"></head>
<body>
<img src="logo.png" width="24" height="39" alt="w3cschool">
<a href="logo.png">w3cschool logo</a>
</body>Browser support
All major browsers support the label.
Label definition and instructions for use
The label specifies the default URL or default destination for all relative links on the page.
You can use up to one element in a document. The label must be inside the element.
Tips and comments
Tip: Put the label in the position of the first element in the element so that other elements in the head area can use the information in the element.
Note: If you are using the label, you must have the href property or the target property or both properties.
The difference between HTML 4.01 and HTML5
No.
The difference between HTML and XHTML
In HTML, the label does not have an end label.
In XHTML, the label must be turned off correctly.
Property
| Property | Value | Describe |
|---|---|---|
| Href | Url | Specifies the baseline URL for all relative links on the page. |
| target |
_blank
_parent _self _top framename |
Specify where all hyperlinks and forms in the page open. The property is overwritten by the target property in each link. |
Global properties
The label supports the global properties of HTML.
The event property
The label does not support any event properties.
Related articles
HTML DOM Reference Manual: Base Object