2018-09-18 Mosh nodejs lecture 3

  1. npm un mongodb

this would unistall mongodb from current projetc and remove its dependency info from package.json file

  1. npm i mongodb@3.1.4

  2. npm view mongodb version

show the current installed module's version

  1. npm view mongodb versions

note, the last world has a 's', this shows all the released version of mongodb and hep you to choose an old version if needed.

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