The heading tag <h “#” > is used to define important information in an HTML document, such as article titles, section titles, etc.The HTML standard includes 6 different levels of headings, which are ranked by importance. The ranking of the heading tag <h “#” > is defined by a number within the tag; <h1> has the highest rank, whereas <h6> has the lowest rank.
标题标签用于定义HTML文档中的重要信息，如文章标题、章节标题等。HTML标准包括6个不同级别的标题，按重要性排序。标题标签<h“#”）的排名由标签内的数字决定，<h1>的排名最高，而<h6>的排名最低。
The 6 heading tags are: <h1>, <h2>, <h3>, <h4>, <h5>, and <h6>.
6个标题标签分别为The 6 heading tags are: <h1>, <h2>, <h3>, <h4>, <h5>, and <h6>。
Note: The size of the heading text decreases as the number in the tag increases. Think of first heading tag or H1 as being the first or most important element, and each subsequent number being second, third, forth, fifth and sixth place in order of its importance in the document.
注意：标题文本的大小随着标签中数字的增加而减小。将第一个标题标签或H1视为第一个或最重要的元素，随后的每个数字按其在文档中的重要性顺序排列为第二、第三、第四、第五和第六位。
Syntax 语法:
The heading tag is written as <h “#” > </h “#” > with the heading text inserted between the start and end tags. There are a total of 6 heading tags.
标题标记写为 <h “#” > </h “#” >，标题文本插入开始标签和结束标签之间，共有6个标题标签。
Example 例:
