In JavaScript values have no types

A variable's type is fixed at declaration

It's not the variable that has a type, but the value currently stored in it

A variable's type is always string if not specified

A piece of code that always creates a variable

A statement that never returns a value

A piece of code that evaluates to a value

A comment in the code

If the property's value is a string

If the property's name is capitalized

If the property is numerically indexed

If the property's value is a function

There are no functions; everything is done with statements

It can only be used in browsers

The type associated with a variable is only determined at runtime

You must always specify a variable's type beforehand

Consists of key–value pairs

There must be a function that has parameters

It cannot contain other objects, only constants

Can only contain numbers