Struct H2 

pub struct H2;

The <h2> element - level 2 heading.

Purpose

The <h2> element represents a second-level heading, typically used for major sections within a document. It’s subordinate to <h1> and superior to <h3>.

Content Categories

• Flow Content
• Heading Content
• Palpable Content

Permitted Content Model

• Phrasing content

Common Use Cases

• Major section headings
• Chapter titles in longer documents
• Main subsections under the <h1> heading

Key Attributes

• Global attributes only

Example

<h1>Complete Guide to HTML</h1>
<h2>Basic Elements</h2>
<p>HTML provides various basic elements...</p>
<h2>Semantic Elements</h2>
<p>Semantic elements give meaning...</p>

Accessibility

• Creates hierarchical document structure
• Should follow heading order (don’t skip levels)
• Screen readers use for navigation

WHATWG Specification

• 4.3.6 The h1-h6 elements

Trait Implementations

impl HtmlElement for H2

const TAG: &'static str = "h2"

The HTML tag name (e.g., “div”, “span”, “img”).

const VOID: bool = false

Whether this is a void element (self-closing, no children allowed).

impl CanContain<H2> for Hgroup

impl<T: PhrasingContent> CanContain<T> for H2

impl CanContain<Text> for H2

impl FlowContent for H2

impl HeadingContent for H2

impl PalpableContent for H2