Specify the URL address. If not, the browser automatically calls the URL of the current HTML5 document.

Set a unified opening method for all hyperlinks

contains elements

Character set declaration

<mate charset="utf-8">

Define keywords, descriptions and other information

<mate name="keywords" content=" "/>

<mate name="description" content=" "/>

.htm

.html

single label

double label

Characters that cannot be used directly

output method

JPEG format

GIF format

PNG format

Form a new paragraph, with a blank line by default between paragraphs

where n needs to be replaced with a number to express fonts of different sizes

<i>Italic tags</i>

<b>Bold tags</b> <strong>Bold tags</strong>

^Superscript _Subscript

<del>Strikethrough</del> <ins>Underline</ins>

<pre>Preformatted tags</pre>

type value

type value

Image tag with effect when image cannot be displayed

<a href="URL address">Link text or image</a>

<a href="#Specify area name">Connect text or image</a>

<a name="area name">target content</a>

Add a title to the table, which is centered and aligned at the top of the table by default

Used to define a complete row

<td>Cell label</td>

<th>Header tag</th>

Divide an independent area, have an independent ID number, and belong to the block element

<div style="..."></div>

A container for text. It has no specific meaning or style. Only when used with CSS can you set style attributes for the specified text. It is an inline element.

<span style="..."></span>

Used to highlight text content in a specified area

Used to display the progress status of the task. It can be used with JavaScript to display the dynamic effect of the task progress.

Used to display scalar measurement results, usually used to display disk usage, voting data statistics, etc.