JavaScript (Week 2)

Question 1

Literal

Answer 1

A way of declaring a data structure and its values at the same time.

Question 2

Array

Answer 2

Used to store a collection of data items/multiple values under a single variable name.

Question 3

Element

Answer 3

A single item stored in an array. An element can be of any data type.

Question 4

Loops

Answer 4

A quick and easy way to do something repeatedly.

Question 5

Control Flow

Answer 5

The order in which the computer executes statements in a script. The order of execution can change whenever the computer runs across the (extremely frequent) structures that change the control flow, such as conditionals and loops.

Question 6

Object

Answer 6

A bundle of behavior (methods) and state (properties)

Question 7

Key

Answer 7

The name used to reference a Value on an Object

Question 8

Value

Answer 8

The data referenced by a Key

Question 9

Property

Answer 9

Another word for the Key portion of a key-value pair on an object

Question 10

Method

Answer 10

A function on an Object

Question 11

Dot Notation

Answer 11

Notation to access a Value on an Object, explicitly specifies the Key

Question 12

Bracket Notation

Answer 12

Notation to access a Value on an Object, usually specifies a Key via a variable.

Question 13

this

Answer 13

A variable that changes depending on the context in which it’s used

Question 14

Class

Answer 14

A constructor that allows us to create multiple instances

Question 15

Object Instance

Answer 15

Objects that contain the data and functionality defined in the class

Question 16

TDD

Answer 16

Test Driven Development / Design

Question 17

Assertion

Answer 17

An expression containing some testable logic

Question 18

Assertion Library

Answer 18

A package of assertion functionality. Usually distinct from a Testing Framework

Question 19

Testing Framework

Answer 19

A library that determines how tests are organized and executed