如何使用Node.js过滤掉XML节点？

I need to process a large KML file (>3 MiBs). To inspect it, I would need to look into it, but there is so many Style and StyleMap nodes that manual browsing becomes impossible. I have decided to remove the unnecessary nodes programmatically with Node.js. It is rather easy to parse an XML file with Node.js for example by using file (>3 MiBs). T