What will be the output of the following code snippet?
var xml = ;
xml.appendChild("hello");
Xml.appendChild(" world");
xml.normalize();
alert(xml.children().length());

Which option is used to access the attributes in E4X?

Which operator is used for inserting XML objects in the context of their parent in E4X?

Which option represents the correct length when alert(Emp..*.length()); is applied to the following code? var Emp = Mark Linux Firefox JavaScript Python

The QName.prototype.toString() method throws a TypeError exception if its value is not a QName object.

Which one is not true of the Namespace constructor in E4X?