AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.0" />

 DocumentFragment

public DocumentFragment Append(Node[] nodes)

public HTMLCollection GetElementsByClassName(string classNames)

public HTMLCollection GetElementsByTagName(string tagName)

public HTMLCollection GetElementsByTagNameNS(string namespaceURI, string tagName)

public DocumentFragment Prepend(Node[] nodes)

public Element QuerySelector(string selectors)

public HTMLCollection QuerySelectorAll(string selectors)