Struct Em 

pub struct Em;

The <em> element - emphasis.

Purpose

The <em> element represents stress emphasis of its contents. The level of emphasis can be increased by nesting <em> elements. Typically rendered in italic, but the emphasis is semantic, not just visual.

Content Categories

• Flow Content
• Phrasing Content
• Palpable Content

Permitted Content Model

• Phrasing content

Common Use Cases

• Emphasizing important words or phrases
• Changing the meaning based on stress
• Highlighting key terms in context

Key Attributes

• Global attributes only

Example

<p>I <em>really</em> need to finish this today.</p>
<p>Cats are <em>cute</em> animals.</p>
<p>Make sure you <em>do not</em> forget!</p>

Accessibility

• Screen readers may use different voice inflection
• Conveys semantic emphasis, not just styling

WHATWG Specification

• 4.5.2 The em element

Trait Implementations

impl HtmlElement for Em

const TAG: &'static str = "em"

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<T: PhrasingContent> CanContain<T> for Em

impl CanContain<Text> for Em

impl FlowContent for Em

impl PalpableContent for Em

impl PhrasingContent for Em