HTML <html> Tag
Example
A simple HTML5 document:
<!DOCTYPE HTML>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
The content of the document......
</body>
</html>
Definition and Usage
The <html> tag tells the browser that this is an HTML document.
The <html> tag represents the root of an HTML document.
The <html> tag is the container for all other HTML elements (except for the <!DOCTYPE>tag).
Browser Support
| Element | |||||
|---|---|---|---|---|---|
| <html> | Yes | Yes | Yes | Yes | Yes |
Differences Between HTML and XHTML
The xmlns attribute is required in XHTML, but is invalid in HTML.
However, the HTML validator at http://w3.orgdoes not complain when the xmlns attribute is missing in an XHTML document. This is because the namespace "xmlns=http://www.w3.org/1999/xhtml" is default, and will be added to the <html> tag even if you do not include it.
Attributes
| Attribute | Value | Description |
|---|---|---|
| xmlns | http://www.w3.org/1999/xhtml | Specifies the XML namespace attribute (If you need your content to conform to XHTML) |
Global Attributes
The <html> tag also supports the Global Attributes in HTML.
Related Pages
HTML tutorial: HTML Introduction
HTML DOM reference: HTML Object
Default CSS Settings
Most browsers will display the <html> element with the following default values:
html {
display: block;}
html:focus {
outline: none;}



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