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Some common about header files

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2016-08-10 08:49:401112browse

1. Common (excerpted from Baidu)

1.

Set encoding information

Set language

Set up redirect

Set cache time

No caching

Set keywords

Set description information

Set up search engine crawling

Set the visual area

2. Browser usage:


2. tabindex attribute (excerpted from W3C):

1. Function: Specify the tab key control order of elements;

2. Tags that support this attribute:

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