A vida é muito curta para perder tempo com coisas coisadas :D
Subjects are like EventEmitters, they maintain a registry of many listeners. When calling subscribe on a Subject it does not invoke a new execution that delivers data. It simpl…
Arguments: Which are passing to the function at the time of invocation.Arguments are the values which are 1,2 in our add function.
Parameters: which are passing to the function at the time of declaration.
Parameters are named variables which are a,b in our add function.