How to use the NPM for node. js

1.NPM InitInitialize Package.json2.npm Install download dependencynpm install MySQLTo download a dependency package via NPM:3.npm Install dependent--savedownload dependencies such as MySQL download databaseadd the corresponding dependency in the Package.jsonAdd the Dependencies object4.npm Install dependent--save-devdownload and develop dependencies via NPMAdd to Devdependencies object5 NPM Install dependent-Gnpm Install gulp-gnpm Install nrm-gCLI command-line toolsGlobal installation: Generally used for tool class dependent NRM Gulp grunt-cli vue-cli angular-cliCreate-react-app6. Delete Node_modules and then use Package.json to pass the datagit statusExecute Filenew file Git ignores things you don't need

How to use the NPM for node. js