AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.5" />

.NET API 1,113,600 bytes

 HtmlHeadingElement

Represents the an HTML heading element (h1, h2, h3, h4, h5, h6).
using AngleSharp.Dom.Css; using AngleSharp.Html; namespace AngleSharp.Dom.Html { internal sealed class HtmlHeadingElement : HtmlElement, IHtmlHeadingElement, IHtmlElement, IElement, INode, IEventTarget, IMarkupFormattable, IParentNode, IChildNode, INonDocumentTypeChildNode, IElementCssInlineStyle { public HtmlHeadingElement(Document owner) : this(owner, Tags.H1, null) { } public HtmlHeadingElement(Document owner, string name, string prefix = null) : base(owner, name, prefix, NodeFlags.Special) { } } }