uninstall global node js to reinstall code example
Example 1: how to uninstall npm packages
npm uninstall --save <package_name>
npm un <package_name>
Example 2: uninstall webpack globally
npm uninstall -g webpack
npm uninstall webpack
npm uninstall --save <package_name>
npm un <package_name>
npm uninstall -g webpack
npm uninstall webpack