<h1>~<h6> header title

<p> paragraph paragraph

<br> break newline

<hr> horizontal rule horizontal line

<div> division division (block element)

<span> span area (inline element)

<strong> strong (strengthened) bold

<em>emphasis italic

<cite> cite italic

<sup> superscripted superscript

<sub> subscripted (subscript) subscript

ol ordered list ordered list

unorderd list unordered list

list term list item

dl definition list definition list

caption table caption of image

thead table head

tbody table body table body

tfoot table foot

th table header table header cell

td table body cell

subtopic

table semantic memory

Table structure tag

The complete structure of the table

Merge rows and merge columns

img self-closing tag

The syntax is as follows: <a href="Link address" target="How to open the target window">

target attribute

According to different link objects, it is divided into

<input>

<textarea> (multiline text box)

<select> and <option>