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HTML <meta> http-equiv Attribute 说明

2017-11-07 12:32 316 查看

1. 说明

ValueDescription
content-typeSpecifies the character encoding for the document.
Example:

<meta http-equiv="content-type" content="text/html; charset=UTF-8">

default-styleSpecified the preferred style sheet to use.
Example:

<meta http-equiv="default-style" content="the document's preferred stylesheet">

Note: The value of the content attribute above must match the value of the title attribute on a link element in the same document, or it must match the value of the title attribute on a style element in the same document.

refreshDefines a time interval for the document to refresh itself.
Example:

<meta http-equiv="refresh" content="300">

Note: The value "refresh" should be used carefully, as it takes the control of a page away from the user. Using "refresh" will cause a failure in W3C's Web Content Accessibility Guidelines.

2. 价值

声明http 响应首部开始标志，可以避免加载无效请求，同时可以做一个简单的控制比如refresh

3. 参考资料
http://www.w3schools.com/tags/att_meta_http_equiv.asp

http://blog.csdn.net/u011200604/article/details/51893323
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