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<meta> Label
Definitions and usage
<meta> elements provide meta information about the page (meta-information), such as descriptions and keywords for search engines and update frequencies.
The <meta> label is located on the head of the document and contains no content. The <meta> label properties define the name/value pairs associated with the document.
Differences between HTML 4.01 and HTML 5
The scheme attribute is no longer supported in HTML 5.
In HTML 5, there is a new CharSet property that makes the definition of a character set easier.
In HTML 4.01, you have to write this:
<meta http-equiv= "Content-type" content= "HTML; Charset=iso-8859-1 ">
In HTML 5, that's enough:
<meta charset= "Iso-8859-1" >
Tips and comments
Wind Network (www.ithov.com) Tip: Please use CSS to define the type of list.
Example
Define keywords for search engines:
<meta name= "keywords" content= "HTML, CSS, XML, XHTML, JavaScript"/>
Define a description of the page:
<meta name= "description" content= free web technology tutorials. "/>
To define the latest version of a page:
<meta name= "Revised" content= "David, 2008/8/8/"/>
Refresh page every 5 seconds:
<meta http-equiv= "Refresh" content= "5"/>
Property
The
property value describes the character encoding of the document defined by the 4 5 charset character encoding. 5 content Some_text defines the meta information associated with the HTTP-EQUIV or name attribute. 4 5 http-equiv Content-type expires RefreshStandard properties
Class, Contenteditable, ContextMenu, dir, draggable, id, irrelevant, lang, ref, Registrationmark, TabIndex, template, For a complete description of the title, visit the standard properties in HTML 5.
Event Properties
Onabort, onbeforeunload, onblur, onchange, onclick, OnContextMenu, ondblclick, Ondrag, Ondragend, OnDragEnter, OnDragLeave, OnDragOver, ondragstart, OnDrop, OnError, onfocus, onkeydown, onkeypress, onkeyup, onload, OnMessage, OnMouseDown, OnMouseMove, onmouseover, onmouseout, onmouseup, OnMouseWheel, OnResize, Onscroll, Onselect, onsubmit, OnUnload for a complete description, visit the event properties in HTML 5.
Tiy instance
Document description
<html>
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<meta name= "Author" content= "w3school.com.cn" >
<meta name= "Revised" content= "David yang,8/1/07" >
<meta name= "generator" content= "Dreamweaver 8.0en" >
</head>
<body>
<p> the meta attribute of this document identifies the creator and the editing software. </p>
</body>
</html>
The information in the Meta element can describe the HTML document.
Document Keywords
<html>
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<meta name= "description" content= "HTML Examples" >
<meta name= "keywords" content= "HTML, DHTML, CSS, XML, XHTML, JavaScript, VBScript" >
</head>
<body>
<p> the meta properties of this document describe the document and its keywords. </p>
</body>
</html>
The information in the Meta element can describe the keywords in the document.
redirect
<html>
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<meta http-equiv= "Refresh" content= "5;url=http://www.w3school.com.cn" >
</head>
<body>
<p>
I am sorry. We've moved. Your URL is <a href= "http://www.w3school.com.cn" > http://www.w3school.com.cn </a>
</p>
<p> you will be redirected to the new address within 5 seconds. </p>
<p> If you still see this message after 5 seconds, please click on the link above. </p>
</body>
</html>
This example demonstrates that the user is redirected to another address when the URL has changed.
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