Intro

Question 1

Data is printed, or logged, to the console, a panel that displays messages, with

Answer 1

console.log()

Question 2

characters wrapped in single or double quotes:

Any grouping of characters on your keyboard (letters, numbers, spaces, symbols, etc.) surrounded by single quotes: ‘ … ‘ or double quotes “ … “. Though we prefer single quotes.

Answer 2

Strings

Some people like to think of string as a fancy word for text.

Question 3

In JavaScript, the _________ keyword refers to an object, a collection of data and actions, that we can use in our code.

Answer 3

Console

Question 4

will comment out multiple lines and is denoted with /* to begin the comment, and */ to end the comment.

Answer 4

A multi-line comment

Question 5

will comment out a single line and is denoted with two forward slashes // preceding it.

Answer 5

A single line comment

Question 6

This data type only has two possible values— either true or false (without quotes). It’s helpful to think of booleans as on and off switches or as the answers to a “yes” or “no” question.

Answer 6

Boolean

Question 7

This data type represents the intentional absence of a value…

represented by the keyword ____ (without quotes).

Answer 7

Null

Question 8

A newer feature to the language, ______ are unique identifiers, useful in more complex coding.

Answer 8

Symbols

Question 9

When a + operator is used on two strings, it appends the right string to the left string:

This process of appending one string to another is called

Answer 9

String Concatenation

Question 10

We call, or use, these _______ by appending an instance with a period (the dot operator), the name of the method, and opening and closing parentheses: e.g. ‘example string’.methodName().

Answer 10

Methods