How to make a specific version of Angular CLI

npm uninstall -g @angular/cli

npm cache clean --force

(1st method)

npm i @angular/cli@12

npx ng version

npx ng new PROJECT_NAME

(2nd method)

npx -p @angular/cli@16 ng new PROJECT_NAME

npx ng g c components/header

How to use a specific version of Node.js

A list of Node.js that you can install

nvm ls-remote

You can also choose

nvm ls-remote 18

How to install

nvm install v18.13.0

A list of Node.js that you installed

nvm ls

Uninstall a specific version

nvm uninstall v14.12.0

Use a specific version

nvm use v16.16.0

How to adopt to the existing projects

check if angular/cli is in devDependencies in package.json

npm install --save-dev @angular/cli

delete node_modules folder and package-lock.json, and re-install

rm -rf node_modules package-lock.json
npm install

ng serve

npx ng serve --open

Or add npm scripts in package.json

"scripts": {
  "start": "ng serve",
  "build": "ng build",
  // other scripts
}

How to make an Ionic project with npx

npm install -g @ionic/cli

ionic start myApp tabs --type=angular --capacitor

startar-template: tabs, blank, sidemenu
project type: --type=angular
native: --capacitator, cordova

How to use a specific version of Ionic

https://medium.com/headerlabs-india/how-to-install-two-versions-of-ionic-on-system-d5f05c6ead38

ionic start helloionic1 blank             //////////for ionic 1
ionic start helloionic2 blank --v2 --ts  ////////// for ionic 2

nvm ls-remote

nvm install v5.0.0   ///////for ionic 1
nvm install v6.4.0   ////// for ionic 2

npm -v

 For ionic 1
 cd ionic1
 nvm install v18.10.0
 nvm use v18.10.0
 npm install -g ionic@1.7.15 //version is just an example and it's not correct
 ionic start helloionic1 blank
 cd helloionic1

 npm i @angular/cli@16 //if angular is not installed globally, angular16
 npx ng version

 npm install -g @ionic/cli // again to configure node

 ionic serve



For ionic 2
 cd ionic2

 nvm install v20.9.0
 nvm use v20.9.0

 npm install -g ionic@beta //version is just an example and it's not correct
 ionic start helloionic2 blank --v2 --ts 
 cd helloionic2

 npm i @angular/cli@17
 npx ng version

 npm install -g @ionic/cli // again to configure node

 ionic serve