HTML Doctype
It is an information for the browser.
Browser loads correct documents.
<!DOCTYPE> must be placed at the top of the HTML page.
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The syntax in HTML5
<!DOCTYPE html>Example
<!DOCTYPE html>
<html>
<head>
<title>Doctype Example</title>
<style>
p{
padding:20px;
background-color:#a0a0a0;
border-radius:5px;
}
</style>
</head>
<body>
<h1>DOCTYPE Example</h1>
<p>It is an information for the browser.<br/>
Browser loads correct documents.<br/>
DOCTYPE must be placed at the top of the HTML page.</p>
</body>
</html>Click on the "See output" button to see how it works.
The syntax in XHTML 1.1
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">Example
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8" />
<title>XHTML1.1 Example</title>
<style>
p{
padding: 20px;
background-color: #a0a0a0;
border-radius: 5px;
}
</style>
</head>
<body>
<h1>DOCTYPE Example</h1>
<p>It is an information for the browser.<br />
Browser loads correct documents.<br />
DOCTYPE must be placed at the top of the XHTML1.1 page.</p>
</body>
</html>Click on the "See output" button to see how it works.