Check your Angular Version
You can check your Angular and Angular CLI version using the following command,
ng --version
It should give you a detailed info about your Angular and related software versions.
Angular CLI: 12.1.0
Node: 14.17.1
Package Manager: npm 6.14.13
OS: win32 x64
Angular:
...
Package Version
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@angular-devkit/architect 0.1201.0 (cli-only)
@angular-devkit/core 9.1.0
@angular-devkit/schematics 9.1.0
@schematics/angular 12.1.0 (cli-only)