Ionic serve not working in Ionic 3

Question

My Ionic info:

cli packages: (/usr/lib/node_modules)

@ionic/cli-utils  : 1.9.2
ionic (Ionic CLI) : 3.9.2

global packages:

Cordova CLI : 7.0.1 

local pack         


        

Answer 1

i faced this problem before ,try this instead of ionic serve :

npm run ionic:serve

Answer 2

The only thing that works for me, after check out node/npm installs, was:

Enable "update on reload" on chrome://inspect/#service-workers.