NPM Install Error:Unexpected end of JSON input while parsing near '…nt-webpack-plugin“:”0'

Question

When Creating a new Angular 5 project:

node version: 8.9.2

npm version: 5.5.1

My Command is

npm install -g @angular/cli

Answer 1

delete npm and npm-cache folders in C:\Users\admin\AppData\Roaming\ (windows) then execute cmd

npm cache clear --force

npm cache verify

update npm to latest version

npm i -g npm

then create your project 1)Angular

npm i -g @angular/cli@latest

ng new HelloWorld

2)React

npm i -g create-react-app

create-react-app react-app