HTML tags are divided into two types, self-closing tags and active closing tags; there is no other half of automatic closing tags, and the other half is called active closing tags.
Automatically closing tags, only the beginning and no end, that is, there is no other half; such as <meta charset="UTF-8">
Active closing tag, with the other half; such as <div></div>
1 <! DOCTYPE html > 2 < html lang ="en" > 3 < head > 4 <!-- Introduction to head tag --> 5 <!-- Most tags in head are invisible --> 6 7 <!-- Specify encoding --> 8 < meta charset ="UTF-8" > 9 10 <!-- After interval x seconds, jump to the specified url --> 11 <!-- <meta http-equiv= "refresh" content="1;url='http://www.imdsx.cn'"> --> 12 13 <!-- Keyword search --> 14 < meta name = "keywords" content = "Master, Beijing" > 15 16 <!-- Description of the website --> 17 < meta name = "description" content = "j" > 18 19 <!-- Browse Browser tag name --> 20 < title > Scorpio </ title > 21 22 <!-- Browser tag icon --> 23 < link rel ="shortcut icon" href ="logo.jpg" > 24 25 <!--The rel attribute indicates that the linked document is a stylesheet --> 26 < link rel ="stylesheet" type ="text/css" href ="theme.css" /> 27 28 <!-- <style> tags are used for Defines style information for HTML documents. --> 29 < style ></ style > 30 31 <!-- <script> tags are used to define client-side scripts, such as JavaScript. --> 32 <!-- The script element can either contain script statements or point to an external script file via the src attribute. --> 33 < script ></ script > 34 35 < body> 37 38 </body> 39 </html>