Yahoo! UI Library

/**
 * Registers plugins to be instantiated at the class level (plugins 
 * which should be plugged into every instance of Node by default).
 *
 * @method Node.plug
 * @static
 *
 * @param {Function | Array} plugin Either the plugin class, an array of plugin classes or an array of objects (with fn and cfg properties defined)
 * @param {Object} config (Optional) If plugin is the plugin class, the configuration for the plugin
 */
Y.Node.plug = function() {
    var args = Y.Array(arguments);
    args.unshift(Y.Node);
    Y.Plugin.Host.plug.apply(Y.Base, args);
    return Y.Node;
};

/**
 * Unregisters any class level plugins which have been registered by the Node
 *
 * @method Node.unplug
 * @static
 *
 * @param {Function | Array} plugin The plugin class, or an array of plugin classes
 */
Y.Node.unplug = function() {
    var args = Y.Array(arguments);
    args.unshift(Y.Node);
    Y.Plugin.Host.unplug.apply(Y.Base, args);
    return Y.Node;
};

Y.mix(Y.Node, Y.Plugin.Host, false, null, 1);

// allow batching of plug/unplug via NodeList
// doesn't use NodeList.importMethod because we need real Nodes (not tmpNode)
Y.NodeList.prototype.plug = function() {
    var args = arguments;
    Y.NodeList.each(this, function(node) {
        Y.Node.prototype.plug.apply(Y.one(node), args);
    });
};

Y.NodeList.prototype.unplug = function() {
    var args = arguments;
    Y.NodeList.each(this, function(node) {
        Y.Node.prototype.unplug.apply(Y.one(node), args);
    });
};