getUserData()
Retrieves private data associated with an element. This data is not visible via the DOM.
Syntax
var value = behavior.getUserData(element, key);
Example
var mybehavior = jsb.behavior.extend({ onattach: function(element) { this.setUserData(element, "isVertical", element.clientHeight > element.clientWidth, null); }, layout: function(element) { if (this.getUserData(element, "isVertical")) { // render horizontal control } else { // render vertical control } } });