Localhost:3000 connection refused


i’d wrote down statement below in my develope environment
express [directory]
and i install npm
and I execute statement that node app.js
but can not open website http://localhost:3000

like this
how can i solve this problem??


Try http://exn-koseptember.c9users.io (http://localhost is your own computer. Cloud9 is in the cloud, so you have to use that URL instead)