public/javascripts/yui/container/container.js
function(moduleElement){
            moduleElement = moduleElement || this.element;

            if (this.footer && !Dom.inDocument(this.footer)) {
                // There is a footer, but it's not in the DOM yet. Need to add it.
                moduleElement.appendChild(this.footer);
            }
        }
function(moduleElement){
            moduleElement = moduleElement || this.element;

            if (this.footer && !Dom.inDocument(this.footer)) {
                // There is a footer, but it's not in the DOM yet. Need to add it.
                moduleElement.appendChild(this.footer);
            }
        }
function ( moduleElement ) { moduleElement = moduleElement || this . element ; if ( this . footer && ! Dom . inDocument ( this . footer ) ) { // There is a footer, but it's not in the DOM yet. Need to add it. moduleElement . appendChild ( this . footer ) ; } }
Renders the currently set footer into it's proper position under the
module element. If the module element is not provided, "this.element"
is used.

@method _renderFooter
@protected
@param {HTMLElement} moduleElement Optional. A reference to the module element
Renders the currently set footer into it s proper position under the module element . If the module element is not provided this . element is used .