What webpack can do about it?

1.webpack able to handle the interdependence between files.

2.webpack can handle js compatibility problems, converting advanced browser does not recognize the syntax into low-level syntax can be identified, for example, you use the es6 grammar, but the browser does not recognize, webpack grammar can be transformed into es5 browser identified.

3.webpack is a front-end automated build tools, you can achieve the perfect resource consolidation, compression, confusion, and many other functions.