The difference between nvm and npm

$ nvm install 7
$ npm i koa
$ node my-koa-app.js

on the official website of koa, I see that nvm, doesn"t understand the difference between nvm and npm

Node.js npm nvm
May.25,2021

nvm manages the node version, and npm manages the node plug-in

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e438ac-439ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e438ac-439ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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