Variables are used to store information to be referenced and manipulated in a computer program. It is helpful to think of variables as containers that hold information. Their sole purpose is to label and store data in memory. This data can then be used throughout your program.
Learn more on W3schools:
https://www.w3schools.com/angular/angular_expressions.asp
Angular JS Official Website:
https://angularjs.org/
View my Complete Angluar JS Tutorial:
https://www.youtube.com/playlist?list=PLo_-PBU3yTF_-4MUD-h779xZjOXmIumPf
