HTML-Commonly used tags summary and practice_html/css_WEB-ITnose
What is HTML?
Hypertext Markup Language, an application under the Standard Universal Markup Language.
“Hypertext ” means that the page can contain pictures, links, and even non-text elements such as music and programs.
The structure of hypertext markup language includes "Head" part (English: Head), and "Main part" (English: Body), where the "Head" part provides information about the web page , the "Main Body" section provides the specific content of the web page.
. News After being exposed to the development of the entire Web system in the publishing system, I have a new understanding of the combination of HTML code and CSS DIV. Through this summary, I will have a simple understanding of HTML tags.
1. Elements and tags and attributes
I believe that many people don’t know the difference between elements and tags after learning HTML. I don’t know either. I solved this doubt myself by searching for information and share it with everyone.
<html>
<head><title>这是标题</title></head> <body size=”12”> <p>HELLO WORLD!</p> </body></html>
Element: Just like in high school chemistry learning, the word element represents the most basic unit of matter, and it is also the same here , the HTML element is the basic object that constitutes the HTML file, just like in the above code:
HELLO WORLD!
is the element, which constitutes the most basic unit of HTML.Tags: are objects enclosed by angle brackets "<" and ">" such as
, ,| 姓名 | 语文 | 英语 | 数学 |
|---|---|---|---|
| 张三 | 69 | 27 | 76 |
| 李四 | 89 | 27 | 46 |
| 王五 | 39 | 88 | 67 |
| 马六 | 87 | 77 | 66 |
several attributes and several attributes and several attributes and Introduction to tags:
1.border align valign bgcolor
border sets the border width, the default is 0.
Align sets the horizontal alignment, attribute value: left center right
valign sets the vertical alignment, attribute value: top middle bottom
bgcolor sets the background color
2.
,,
(3) Tags related to pictures
In the brisket, a sentence in the common.Master template at that time:
Perfect for inserting pictures. Set the hyperlink through href="", open a new page through target="_blank", and the element
displays the image.
Through the above comparison of elements, tags, attributes and the training of several examples, there is no problem with the basic HTML code.
Copyright statement: This article is an original article by the blogger and may not be reproduced without the blogger's permission.
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