Identifiers in TypeScript

Identifiers are names given to elements in a program like variables, functions etc. The rules for identifiers are:

· Identifiers can include both, characters and digits. However, the identifier cannot begin with a digit.

 · Identifiers cannot include special symbols except for underscore (_) or a dollar sign ($)

. · Identifiers cannot be keywords.

· They must be unique.

· Identifiers are case-sensitive

 · Identifiers cannot contain spaces.