Code.org Unit 5 Vocab Flashcard 1

Front

Visual elements for user control in an app, often abbreviated as UI.

Back

User Interface

Front

Function in an event listener, written by the programmer, called by the system after an event.

Back

Callback Function

Front

A program that runs code blocks in response to events (e.g., mouse click)

Back

Event-driven Program

Front

An action that causes something to happen.

Back

Event

Front

All values in a programming language have a type (e.g., Number, Boolean, String) that dictates interpretation.

Back

Data Type

Front

Valid code unit that resolves to a value.

Back

Expression

Front

Common structure for "conditional statements".

Back

"If" Statement

Front

Dictates which parts of code can access a variable, based on its creation location.

Back

Variable Scope

Front

A variable with "global" scope can be used and updated by any part of the code, typically declared outside any function or method.

Back

Global Variable

Front

A variable with local scope can only be accessed within its own scope, typically declared inside a function.

Back

Local Variable