HTML Language Analysis - Introduction to Html

黄舟
Release: 2016-12-15 13:06:13
Original
1540 people have browsed it

Brief explanation: A language that marks certain words in ordinary documents. Its purpose is to use tags to achieve the desired display effect of the document.
HTML is a descriptive language under the definition of SGML, or it can be said that HTML is an application of SGML. HTML is not a programming language, such as C++ and Java, it is just a markup language. Basically, you only need to understand the various tags Once you have learned how to use HTML, the format of HTML is very simple. It is just composed of text and markup. In terms of editing, any text editor will do, as long as the file can be saved in ASCII plain text format. Of course, use a professional Web page editing software is preferred.
■ Reading instructions:
This article [HTML Analysis] focuses on the introduction of tags. Considering the ease of understanding and the length of each section, I do not classify HTML according to W3C. This can make it easier for you to choose the tags you are interested in. Among them, only [File Mark] is required to read, and the rest can be selected at will. This article will not mention any web page editing software. As long as you master HTML, any web page editing tool can be turned into a powerful tool.
■ Tag writing method:
Any tag should be surrounded by "<" and ">", such as

There should be no blank characters between the tag name and the less than sign.
Some tags require parameters, some do not. For example, Hello
parameters can only be added to the start tag.
Add the symbol "/" before the tag name of the start tag to indicate the end tag. For example,
mark letters can be uppercase or lowercase.

■ Containment mark and empty mark:
Marks are divided into containment mark and empty mark according to type
Containment mark
As the name suggests, it surrounds the text with a start mark and an end mark to achieve the expected display effect.
For example, HTML Source: Creation of Webpage is my favorite.
is displayed as: Creation of Webpage is my favorite.

where is called the containment mark.
It marks the text Creation of webpage with a start tag and an end tag, making it appear in bold. If either of them is missing, an error will occur.


Empty tag
means that the tag appears alone, with only a start tag and no end tag.
For example, HTML Source:
I love Creation of Webpage.
It's a wonderful place.
is displayed as:
I love Creation of Webpage.
It's a wonderful place.

The line break tag
is an empty tag.
Its function is to display everything after the tag on the next line. It can be seen that the terminal tag is meaningless for it, but some people will add the terminal tag to the empty tag. This is just for the convenience of memory and has no effect on HTML. Influence.

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