API

_Application Programming Interface_, defines how to interact with a particular piece of software.

• 1.3. Step 1
• 1.8.1. Step 6
• 2.1. Intro

Array

A list of values.

• 1.6. Step 4
• 1.4. Step 2
• 1.5. Step 3
• 1.1. Intro
• 1.7. Step 5
• 1.8.1. Step 6
• 1.8.2. Step 7
• 1.8.3. Step 8
• 2.3. Step 1
• 2.4. Step 2
• 2.1. Intro

Callback

A function passed as argument to – and expected to be called by – another function.

• 2.4. Step 2
• 2.1. Intro

DOM

Stands for _Document Object Model_ and is the interface ([**API**](#API)) to access and manipulate an HTML document.

• 1.2. Step 0
• 1.3. Step 1
• 1.1. Intro
• 1.8.3. Step 8
• 2.1. Intro

JSON

_JavaScript Object Notation_ is a data format based on (but not equal to) the structure of Javascript Object.

• 1.8.1. Step 6
• 2.7. Step 5
• 2.3. Step 1
• 2.9. Step 7

Variable

A name reference to a value.

• 1.2. Step 0
• 1.8.3. Step 8
• 2.3. Step 1
• 2.4. Step 2
• 2.8. Step 6