HTML base <! Short comment ><!--regular annotation-->
<base href= "BaseURL" > Relative path equals absolute path
<isindex> defines the form used to query, indicating that the user agent allows users to find content by keyword.
<link rel= "url2html" rev= "Html2url" href= "url" >rel indicate the relationship between URL and HTML, rev indicates the relationship between this document (HTML) and the URL
<meta http-equiv= "Response header field name name=" Numeric pair name "content=" Numeric pair value >
Http-equiv:expires corresponding time, such as "Mon, 1999 09:34:05 GMT"
Http-equiv:keywords corresponding key words
Http-equiv:reply-to Correspondence Author Contact method (e-mail)
...
<pre></pre> content will be displayed as text, the contents of the carriage return line and the jump will work, the content will not automatically wrap. Can be used with the width font and so on.
<em></em> to emphasize
<strong></strong> used to enhance tone
<lt></lt> List of items, you can specify symbols
<samp></samp> text for reference
<kbd></dbd> represents the text entered by the user
<var></var> to display variables
<dfn></dfn> to display definition text
<cite></cite> text used in quoting quotations
<tt> Printer Fonts
<dl><dt>define title<dd>define<dl>
<DL Compact><dl>define title<dd>define</dl>
<ul><li><li>...</ul> unordered List
<ol><li><li>...</ol> ordered list
<dir><li><li>...</dir> Catalogue list (similar to UL)
<menu><li><li>...</menu> Menu list, one line per item, more compact than UL
<caption></caption> to define the title of a table
<th></th> define a row or column header text in a column (similar to TD)
<form><input><select></select><option><textarea></textarea></form > Non-nested use
<form name= "name" action= "target" method= "Post/get" enctype= "Encoding type Encoding" >
<input type= "Text/password" maxlength= "Maximum number of characters" size= "character unit width" >
<input type= "image" Name= "name" src= "Image Url" > select pixel location, submit
<select multiple (multiple items) size= "Number of items to display at the same time" ><option><option>...</select>
