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Learn the code in Taobao webpage_html/css_WEB-ITnose

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2016-06-24 11:53:581726browse

1. HTML 1a309583e26acea4f04ca31122d8c535 tag

1a309583e26acea4f04ca31122d8c535 declaration must be the first line of the HTML document, located at 100db36a723c770d327fc0aef2ce13b1 before label.

The1a309583e26acea4f04ca31122d8c535 declaration is not an HTML tag; it is an instruction to the web browser as to which version of HTML the page should be written in.

In HTML 4.01, the 1a309583e26acea4f04ca31122d8c535 declaration references a DTD because HTML 4.01 is based on SGML. A DTD specifies the rules for a markup language so that browsers can render content correctly.

HTML5 is not based on SGML, so there is no need to reference a DTD.

Tip: Always add the 1a309583e26acea4f04ca31122d8c535 declaration to your HTML document so the browser knows the document type.

2. Problems with the e8e496c15ba93d81f6ea4fe5f55a2244 tags charset=gb2312 and charset=utf-8 in the HTML language

charset = gb2312 is Simplified Chinese, UTF-8 is International coding, if you are in China, it is best to use gb2312, which will be faster. It is not easy to produce garbled characters

3. meta name="description" content="Here is the description of the web page, which is for search engines to see. The search engine will rank the inclusion and ranking based on this description. Generally, are keywords within the web page. The

e8e496c15ba93d81f6ea4fe5f55a2244 element provides meta-information about the page, such as description and keywords for search engines and update frequency. The e8e496c15ba93d81f6ea4fe5f55a2244 tag is located at the head of the document and contains no content. The properties of the e8e496c15ba93d81f6ea4fe5f55a2244 tag define the name/value pairs associated with the document.

4

, f8e3796f8dddd563fea45d0513158ead

This code is the verification code for Baidu Webmaster Platform to verify website ownership.

5

, 2cdf5bf648cf2f33323966d7f58a7f3f tag

defines the relationship between the document and external resources. The most common use of the 2cdf5bf648cf2f33323966d7f58a7f3f tag is to link style sheets. , the 2cdf5bf648cf2f33323966d7f58a7f3f tag has no closing tag. In XHTML, the 2cdf5bf648cf2f33323966d7f58a7f3f tag must be closed correctly. Example:

Links to an external style sheet. :

Explanation rel: Specifies the relationship between the current document and the linked document.

The href attribute of the 3499910bf9dac5ae3c52d5ede7383485 tag is used to specify the URL of the hyperlink target. > The value of the href attribute can be a relative or absolute URL to any valid document, including fragment identifiers and JavaScript snippets. If the user selects content within the 3499910bf9dac5ae3c52d5ede7383485 tag, the browser will attempt to retrieve and display the content specified by the href attribute. The document represented by the URL, or a list of JavaScript expressions, methods and functions.

*Possible values:

Absolute URL - pointing to another site (such as href ="http://www.example.com/index.htm")

Relative URL - points to a file within the site (href="index.htm")
<head><link rel="stylesheet" type="text/css" href="theme.css" /></head>
Anchor URL - Point to the anchor in the page (href="#top")

6.

charset=utf-8

Indicates that the character set of the current document uses utf-8 characters, which is what we It is often said that the English character set;

charset
  • character set
  • commonly used in China are:
  • uft-8
  • is one of the ways to use Unicode.
  • UTF

    is Unicode Translation Format, which means converting Unicode into a certain format. gbk gb2312
    Mainly used in Chinese. big5
    for Traditional Chinese


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