/// <summary>
/// Perform an asynchronous HTTP (Ajax) request.
/// </summary>
/// <param name="settings">A set of key/value pairs that configure the Ajax request. All settings are optional. A default can be set for any option with $.ajaxSetup(). See jQuery.ajax( settings ) below for a complete list of all settings.</param>
/// <returns>A new instance of <see cref="CallOperationExpression" />.</returns>
public static CallOperationExpression Ajax(Expression settings)
{
return(JQueryFunction.Dot("ajax").Call(settings));
}