How is bower different from npm?

Question

npm

Explain why use bower if everything can be downloaded with npm?
Is there something in it that is not in npm?

Answer 1

The main difference between npm and bower is the approach to installing package dependencies. npm installs dependencies for each package separately, resulting in a large tree of packages (node_modules/grunt/node_modules/glob/node_modules/…) where there can be multiple versions of the same package. In client-side js, this is not allowed: you cannot include two versions of jQuery or any other library on a page. here is a good
UPD article: this difference has already been removed, it turns out that there are no differences, but both of these tools are used.

Answer 2

Is there something in it that is not in npm?

Nothing

Answer 3

bower can put dependencies in an arbitrary folder, which can be useful for legacy projects. Otherwise, there is no point in using two package managers.
A more recent reincarnation of the same idea is jspm, but it has a killer feature - integration with the SystemJS loader.