The highlighted portion of the code is app.get.
Computer code, or a set of instructions or a system of rules defined in a specific programming language, is a term used in computer programming (i.e., the source code). It is also the name given to the source code after a compiler has prepared it for computer execution (i.e., the object code).
These include bar codes, ISBNs, ASCII codes, post codes, and bank account numbers; a check digit is a common checking mechanism used in many current codes. An illustration of this is the widespread usage of ISBN numbers on all new books today.
A system of communication signals or symbols. a set of assigned and frequently secret symbols (such as letters or numerals).
To learn more about code for a program refer to:
https://brainly.com/question/26134656
#SPJ4