​./ "Represents the upper -level directory

" ./ "means the current directory

Relators: Start from the current page.

Absolute path: Start searching from the root of the website. "/" represents the root of the website.

Hyperlink
Tag:

Hyperlink text --Open in a new window

You can also find the table of contents on the current page and click the hyperlink on the table of contents to automatically jump to a certain place on the page.

Picture tag
：

Set one height and one width to maintain the original proportions.

alt displays text when the image cannot be loaded, and can also help search engines search.

title can

description, and the description can be displayed when the mouse is placed on the picture.
Table:

width: Width. Can be expressed in pixels or percentages. Commonly used is 960 pixels.

border: border, the common value is 0.

cellpadding: The distance between the content and the border. The common value is 0.

cellspacing: The spacing between cells, the common value is 0.

Rowalign: The horizontal alignment of a row of content.

valign: Vertical alignment of a line of content.

height: Row height.

bgcolor: background color.

background: background image.

Cell

Header, the content of the cell is automatically centered and bold

align: Alignment of cell content.

valign: The vertical alignment of the cell's content.

width: cell width.

height: cell height.

Other

How to use h5’s sse server to send EventSource events

How to implement HTML table mouse drag sorting

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