Study Guide: Objects and Arrays

What are some fun facts about arrays and objects?

What properties of arrays make them different than objects?

Why do we need to organize our data?

When you are faced with a programming task, what are the reasons you would choose to use an array over an object?

What are the reasons you would choose to use an object over an array?

What are some examples of when you have used an object? Why did you choose to use an object in this case?

What are some examples of when you have used an array? Why did you choose to use an array?

What is the difference between dot notation and bracket notation?

What are some shorthand syntax tricks for an object?

How do you make a new copy of an object or an array?

How do you loop through an object or an array?

What are some more recent data structures that have been added to JS?

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Exercise: Create an array-like object

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