# Data Structures

### Objectives

- [ ] Explain the difference between objects and arrays
- [ ] Create arrays with data
- [ ] Identify methods on arrays:
  - Create
  - Read
  - Update
  - Delete
- [ ] Create objects with data
- [ ] Identify methods on objects:
  - Create
  - Read
  - Update
  - Delete

## Guiding Questions

### Arrays

* Given the following array, how do you add `'music'` to the end:
  ```js
  var partySupplies = [ 'balloons', 'snacks']
  ```
  How would you change `'snacks'` to `'beer'` instead?

  > Your answer...

* How do you create, read, update, & delete indevidual items in an **array**?
Fill in the following table with the correct values:

  | Action | Method |
  | ------ | ------ |
  | Create | |
  | Read   | |
  | Update | |
  | Delete | |


### Objects

* Create a car object with the following properties:
  - wheels: `4`
  - engine: `'diesel'`
  - ac: `false`

  How would you update the `ac` property to be `true`? How would you add a new property called `moonRoof` to the car object?

  > Your answer...

* How do you create, read, update, & delete indevidual items in an **object**?
Fill in the following table with the correct values:

  | Action | Method |
  | ------ | ------ |
  | Create | |
  | Read   | |
  | Update | |
  | Delete | |

* Represent each of the following statements as either an object or array:
  - My cat is cool. She has black fur and a mild temper.
  - My morning routine consists of showering, brushing my teeth, then I put on my pants.
  - In my wallet I have 3 dollar bills, 4 quarters and a penny.