// Href
/// <summary>
/// Href of the element.
/// </summary>
/// <param name="elementHandle">An <see cref="ElementHandle"/></param>
/// <returns>The element's <c>href</c>, or <c>null</c> if the attribute is missing.</returns>
/// <remarks><![CDATA[Elements: <a>, <area>, <base>, <link>]]></remarks>
public static string Href(this ElementHandle elementHandle)
{
return(elementHandle.HrefAsync().Result());
}