Codecademy Intro to JavaScript

Variable names cannot start with numbers.

• True

• False

_____ is a JavaScript keyword that creates, or declares, a new variable.

• script

• var

• bar

• console

(what symbol) is the assignment operator. It assigns the value to the variable

• +

• : )

• ;

• =

the "let" keyword signals that the variable cannot be changed

• True

• False

What will you get if you try to declare a "const" variable without a value?

• TypeError

• SyntaxError

• SpellingError

Which mathematical assignment is the "increment operator"?

• +=

• ++

• --

• +-

What does "Concatenation" mean?

• to add

• to subtract

• to join together

• to swindle a cat out of money

Generally speaking, what functionality does JavaScript provide when used as part of the "Web development trifecta"?

• Page manipulation capabilities and advanced interactivity
  
• Content and page structure, but minimum interactivity
  
• Formatting and page design, plus some simple interactivity
  
• Content, page structure, and advanced interactivity
  

An object-oriented program is:

• a collection of individual objects that perform different functions.
  
• a collection of methods that trigger a specific function.
  
• a collection of events that trigger a specific function.
  
• a sequence of statements that define the user agents in which the program will function.
  

Which of the following is the correct Javascript format for a comment?

• // "the text"

• /"the text"/

• */"the text"/*

• \\"the text