JavaScript Objects Worksheet

Question 1

What makes up an object (what does an object consist of)?

An object in javascript is a group of key-value pairs, and these keys are called properties. The properties can be any data type.

Question 2

What are two different types of notations that you can use when working with the properites of objects? For example, there are two types of syntax that you could use if you wanted to update a property of an object.

object.propertyName and object["propertyName"] both work

Question 3

Why are objects an important data type in JavaScript?

They allow you to group related data and functionality together, which helps with organization and management.

Question 4

When creating an object, what character is used to separate property names from their values?

You use a colon

Question 5

When creating an object, what character is used to separate the property/value pairs in an object?

You use a comma

Question 6

What operator is used to access a property of an object?

You can use either a period, or brackets.

Coding Problems

Coding Problems - See the 'script' tag below this h3 tag. You will have to write some JavaScript code in it.