YUI3 node-visibility

gistfile1.txt

YUI().add('node-visibility', function(Y) {
  Y.mix(Y.DOM, {
    visible: function(node) {
      return Y.DOM.getStyle(node, 'display') != 'none';
    },
    toggle: function(node) {
      Y.DOM.visible(node) ? Y.DOM.hide(node) : Y.DOM.show(node);
    },
    hide: function(node) {
      Y.DOM.setStyle(node, 'display', 'none');
    },
    show: function(node) {
      Y.DOM.setStyle(node, 'display', '');
    }
  });
  var methods = ['visible', 'toggle', 'hide', 'show'];
  Y.Node.importMethod(Y.DOM, methods);
  Y.NodeList.importMethod(Y.Node.prototype, methods);
}, "0.1", { requires: ["dom", "node"] });