how to upgrade angular version code example
Example 1: update angular cli
npm uninstall -g @angular-cli
npm install -g @angular/cli@latest
Example 2: 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 3: how to update angular version
content_copy
ng update @angular/cli @angular/core
Example 4: update angular
npm uninstall -g @angular-cli
npm install -g @angular/cli@latest
Example 5: update angular to specific version
ng update @angular/cli@8.1.1 @angular/core@8.1.1