How to distinguish html elements? (example summary)

藏色散人

Release： 2018-08-14 15:28:23

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This article mainly introduces you to the definition and classification of html elements (full collection of html elements). So the following is an introduction to related issues about what html block-level elements are, html block-level element conversion, block elements and inline elements, etc. This article has certain reference value and I hope it will be helpful to friends in need. First of all, everyone needs to know what is HTML?

HTML is Hypertext Markup Language. HTML text is descriptive text composed of HTML commands. HTML commands can describe text, graphics, animations, sounds, tables, links, etc. The structure of HTML includes two parts: Head and Body. The header describes the information required by the browser, and the body contains the specific content to be explained. Specific examples of the basic structure of

html are as follows: Tag elements in

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    </head>
    <body>
    <p>body里面就是网页内容</p>
    </body>
    </html>

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html are generally divided into three different types: block-level elements, inline elements (also called inline elements) and inline block-level elements.

How to distinguish html elements? (example summary)

1. Characteristics of inline elements:

1. On the same line as other elements;

2. The height, width and top and bottom margins of the element cannot be set;

3. The width of the element is the width of the text or image it contains and cannot be changed.

What are the commonly used inline elements (that is, what are the html inline elements):

<a>、<span>、<br>、<i>、<em>、<strong>、<label>、<q>

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Setting display:inline; can convert block elements into html inline elements

2. Characteristics of block-level elements (what does html block-level elements mean):

1. Each block-level element starts on a new line, and subsequent elements also start on a new line. Start a line.

2. The height, width, line height, top and bottom margins of the element can be set.

3. If the element width is not set, it is 100% of its parent container (the same as the width of the parent element)

Commonly used block elements are:

...

,
,

,
, ,
, < ;blockquote> ,
Set display:block; the element can be converted into a block-level element.
3. Characteristics of inline block-level elements: (Having the characteristics of both inline elements and block-level elements)
1. All on the same line as other elements;
2. The height, width, line height, top and bottom margins of the element can all be set!
Commonly used inline block elements (that is, what are the inline block-level elements):
,
display:inline-block; float:left/right; position: absolute/fixed; elements can be set as inline block-level elements.
Note: Block-level elements and inline elements. By default, block-level elements will always occupy one line, but inline elements will not.

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