Web front-end study notes 3

1.meta tag.

　1.1

　Charset: character set

　1.2 Function: Optimize the website SEO to improve ranking.

　1.3 Function: Optimize the website SEO to improve ranking. A description of the website.

　1.4 Web page redirection

2.link tag.

　2.1 Place a small icon in the title of the web page.

　2.2 Introduce external style sheet. (Meta and link tags are both written in the head tag.)

3.Table

　Function: Display data.

Composition: table: define table tr: row td: column (cell)

　Attributes: border: set the table border width: set the table width height: set the table height cellspacing: set the cell table distance (default is 2) cellpadding: set the distance between the text and the cell border

　bgcolor: Set the background color align="center" (the setting in td or tr is to center the text, and the setting in table is to center the table)

　: Set table title

　: Used to set table headers

4. Table structure.

　

<table>
    <thead></thead>
    <tbody><tbody>
    <tfoot></tfoot>
</table>

5. Merge of cells.