The viewer of static file on line
npm install -g fhost
cd the folder that you want to view, then execute:
fhost run
That will launch the web host, and the default port is 8080. You can change port by command:
fhost run -p [port whatever you want]
Enter address 'http://localhost:8080/' in your browser, you will see the file/folder list of the folder in which you execute fhost command.