Ol

Struct Ol 

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pub struct Ol;
Expand description

The <ol> element - ordered list.

§Purpose

The <ol> element represents an ordered list of items, where the order is meaningful. Items are typically numbered but can use other markers like letters or Roman numerals.

§Content Categories

  • Flow Content
  • Palpable Content (if it has at least one <li> child)

§Permitted Content Model

  • Zero or more <li> and script-supporting elements

§Common Use Cases

  • Step-by-step instructions or procedures
  • Ranked lists (top 10, etc.)
  • Sequential content where order matters
  • Table of contents with numbered sections
  • Legal or technical document numbering

§Key Attributes

  • reversed: Reverses the numbering order
  • start: Starting number for the list (e.g., start="5")
  • type: Numbering type ("1", "A", "a", "I", "i")
  • Global attributes

§Example

<h2>Recipe Instructions</h2>
<ol>
  <li>Preheat oven to 350°F</li>
  <li>Mix dry ingredients</li>
  <li>Add wet ingredients</li>
  <li>Bake for 25 minutes</li>
</ol>

<ol type="A" start="3">
  <li>Option C</li>
  <li>Option D</li>
</ol>

§Accessibility

  • Screen readers announce list with item count
  • Sequential numbering aids comprehension

§WHATWG Specification

Trait Implementations§

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impl HtmlElement for Ol

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const TAG: &'static str = "ol"

The HTML tag name (e.g., “div”, “span”, “img”).
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const VOID: bool = false

Whether this is a void element (self-closing, no children allowed).
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impl CanContain<Li> for Ol

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impl CanContain<Script> for Ol

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impl CanContain<Template> for Ol

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impl FlowContent for Ol

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impl PalpableContent for Ol

Auto Trait Implementations§

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impl Freeze for Ol

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impl RefUnwindSafe for Ol

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impl Send for Ol

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impl Sync for Ol

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impl Unpin for Ol

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impl UnwindSafe for Ol

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.