uninstall all global npm packages code example
Example 1: uninstall nodemon globally
npm uninstall nodemon
Example 2: remove all packages npm
npm ls -gp --depth=0 | awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm
npm uninstall nodemon
npm ls -gp --depth=0 | awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm