how to upgrade angular project version code example

Example 1: downgrade angular version in project

Try like this :

ng --version
npm uninstall -g @angular/cli
npm cache clean --force

npm install -g @angular/cli@7.2
ng --version

Example 2: how to update angular version

content_copy
      
      ng update @angular/cli @angular/core

Example 3: update angular materia;

npm update @angular/material @angular/cdk