How to Install Angular CLI8.1.1 on CentOS7.6

This video covers the method to install Angular CLI 8.1.1 On CentOS 7.6. Angular is a JavaScript framework, libraries, assets, and utilities.
For more explanation on this video: https://www.linuxhelp.com/how-to-install-angular-cli-8-1-1-on-centos-7-6

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centos 7