1. Block elements generally start on a new line. It can accommodate inline elements and other block elements. A common block element is the paragraph tag 'P". The "form" block element is special. It can only be used to accommodate other block elements. .
3. Without the effect of css, the block elements will be sequentially arranged one line at a time. With CSS, we can change the default layout mode of this HTML and place the block elements where you want. Instead of stupidly starting a new line every time. It should be pointed out that the table tag is also a type of block element. Table based layout and css based layout look at these two layouts from the perspective of ordinary users (excluding visually impaired people, blind people, etc.), except for page loading speed. Except for the difference, there is no other difference. But if an ordinary user inadvertently clicks the View page source code button, the difference between the two will be very large. The CSS layout page source code designed based on good reconstruction concepts can at least allow ordinary users without web development experience to quickly understand the content. From this perspective, css layout code should have a better aesthetic experience.
5. You can think of the block container element div as boxes, or if you have played with clipping, it will be easier to understand. We first cut out the necessary articles from various newspapers and magazines. Each piece of cut content is a block. Then we glued these pieces of paper onto a new piece of blank paper according to our layout intention. This will form your own unique abstract. As an extension of the technology, web layout design follows the same pattern. .?
7. Inline elements are generally based on basic elements at the semantic level. Inline elements can only accommodate text or other inline elements. The common inline element is "a".
9. Block element and inline element are both concepts in the HTML specification. The basic difference between block elements and inline elements is that block elements generally start on a new line. When CSS control is added, this attribute difference between block elements and inline elements no longer becomes a difference. For example, we can add an attribute such as display:block to the inline element cite, so that it also has the attribute of starting from a new line every time.
11. The basic concept of a variable element is that it needs to determine whether the element is a block element or an inline element based on the context. Variable elements still belong to the above two element categories. Once the context determines its category, it must follow the rules of block elements or inline elements. See full text for rough element classification.
13. Regarding the Chinese name of inline element, there are many kinds of inline elements, inline elements, inline elements, and inline elements. Basically there is no unified translation, just call it whatever you want. In addition, when talking about inline elements, we will think of a display attribute called display:inline; this attribute can fix the famous IE double floating border problem.
15. block element
17. * address - address
18. * blockquote - block quote
19. * center - center alignment block
20. * dir - directory list
21. * div - Commonly used block level is easy, and it is also the main tag of css layout
22. * dl - definition list
23. * fieldset - form control group
24. * form - interactive form
25. * h1 - Headline
26. * h2 - subtitle
27. * h3 - Level 3 title
28. * h4 - Level 4 title
29. * h5 - Level 5 title
30. * h6 - Level 6 title
31. * hr - horizontal dividing line
32. * isindex - input prompt
33. * menu - menu list
34. * noframes - frames optional content, (this block content is displayed for browsers that do not support frames
35. * noscript - optional script content (displayed for browsers that do not support script)
36. 　*ol - sorting form
37. * p - paragraph
38. * pre - formatted text
39. * table - table
40. * ul - Unsorted list
42. Inline element
44. * a - anchor point
45. * abbr - abbreviation
46. * acronym - first word
47. * b - bold (not recommended)
48. * bdo - bidi override
49. * big - large font
50. * br - Line break
51. * cite - quote
52. * code - computer code (required when citing source code)
53. * dfn - Define fields
54. * em - emphasis
55. * font - Font setting (not recommended)
56. * i - italics
57. * img - picture
58. * input - input box
59. * kbd - Define keyboard text
60. * label - form label
61. * q - short quote
62. * s - underscore (not recommended)
63. * samp - Define sample computer code
64. * select - Project selection
65. * small - small font text
66. * span - commonly used inline container, defining blocks within text
67. * strike - dash
68. * strong - bold emphasis
69. * sub - subscript
70. * sup - superscript
71. * textarea - multi-line text input box
72. * tt - telex text
73. * u - underline
74. * var - define variables
76. Variable elements
78. Mutable elements determine whether the element is a block element or an inline element based on the context.
79. * applet - java applet
80. * button - Button
81. * del - delete text
82. * iframe - inline frame
83. * ins - inserted text
84. * map - image block (map)
85. * object - object object
86. * script - client script

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