Types

You can determine the type of a value by calling getType on it. It will return the type name from the following table as a string.

Type	Description
number	64-bit floating point value
string	UTF-16 text
bool	true or false
object	an associative array
array	an array of values
null	null, used to represent no value
undefined	undefined, used to represent a missing property
function	a function reference