Uncaught TypeError: jQuery.handleError is not a function

jQuery.extend(...{

    handleError: jQuery.handleError || function( s, xhr, status, e ) ...{
        // If a local callback was specified, fire it
        if ( s.error ) ...{
            s.error( xhr, status, e );
        }
        // If we have some XML response text (e.g. from an AJAX call) then log it in the console
        else if(xhr.responseText) ...{
            console.log(xhr.responseText);
        }
    }

});