如何获得元素的位置

如何检索当前Para的位置？

这是xml文档:

Question 
This is my paragraph question.
Thisis another para for question.
Answer
This is my answer paragraph
This is another answer paragraph
Sub Answer Bulleted
This is a paragraph that is part of a sub answer.
Sub Sub Answer Numbered
This is a paragraph that is part of a sub sub answer.
Sub Sub Answer
Sub Sub Answer
Sub Answer Bulleted
Sub Answer

Julien Oster.. 5

位置()

看到这个

位置()

看到这个