js objects

Question 1

What are objects used for?

Answer 1

storing information in key/value pairs

Question 2

What are object properties?

Answer 2

key/value pairs containing variables/functions/etc for the object

Question 3

Describe object literal notation.

Answer 3

var objectExample = {
key: value,
key: value,
};

Question 4

How do you remove a property from an object?

Answer 4

delete objectName.propertyName;

also works with bracket notation

Question 5

What are the two ways to get or update the value of a property?

Answer 5

dot notation: objectName.propertyName

bracket notation: objectName[‘propertyName’]