# Yahoo! UI Library

### node 3.1.1

Yahoo! UI Library > node > node-pluginhost.js (source view)
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    /**
     * 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);
        });
    };

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