Basics

Question 1

What’s a variable?

Answer 1

A container for storing data values.

Question 2

Where in HTML do you insert JavaScript code?

Answer 2

Between the <

code tags.

Question 3

What ways can JavaScript display data?

Answer 3

In the following ways:

• innerHTML
• document.write
• window.alert
• console.log

Question 4

What’s a statement?

Answer 4

A set of programming instructions.

Question 5

What’s JavaScript syntax?

Answer 5

It’s the set of rules for how core is constructed:

How to declare variables: define the variables that will store your values.

How to assign values: store data values within your set variables.

How to compute values: using the variables with their stored values, define the logical operations executed on the variables.

Question 6

What are the data types in JavaScript?

Answer 6

1. Undefined
2. Null
3. Boolean
4. String
5. Number
6. Symbol
7. BigInt
8. Object