Description:

The <h1> to <h6> tags are used to define HTML headings.

<h1> defines the largest heading and <h6> defines the smallest heading.

Example Code:
<h1>Heading 1</h1>
<h2>Heading 2</h2>
<h3>Heading 3</h3>
<h4>Heading 4</h4>
<h5>Heading 5</h5>
<h6>Heading 6</h6>
Result:
Attributes:

None

Global Attributes:

The <h6> tag also supports the Global Attributes in HTML5

Event Attributes:

The <h6> tag also supports the Event Attributes in HTML5