使用jQuery将XML节点复制到另一个XML文件？

I'm trying to aggregate data from a number of different xml sources into a single xml file using either JavaScript or jQuery. I'm looping over the files, using jquery $.Ajax to read the file, and am selecting the first node (the node I want) and want to copy and append it to my destination xml file, then move on.I'm trying to aggregate data from a number of d