1. In simple terms, node js is a way to get in the back-end technology .npm node running born in the community as a package management tool.
npm is a module in the package (code blocks), the use of these people packed package, can greatly improve development efficiency, to avoid the wheel making repeated; however, due to the excessive number of packets in order to reduce the complexity of use,
Npm a caravan we need to do version control and dependency.
2.webpack npm is a module in which a front end of a static resource packer.
He may be the presence of complex dependencies of various packages / modules (modules with dependencies) packed into a less static files
For browser access; while the new browser does not recognize some of the characteristics can be converted into identifiable characteristic.