|Argument list:||aFunction||A function object to imprt|
|anObject||An object that is exporting some property values|
|aProperty||A property value to import|
ECMAScript edition 2 suggests this is a future extension. As of the third edition of the ECMAScript standard it is still denoted as a reserved word.
Navigator 4 anticipates that a future standard will endorse this capability and provides it anyway.
A layer might import a function exported by another layer so that they can exchange values or operate on one another.
The imported property name can include the wildcard asterisk character to match several properties.
This can affect the security policy regarding the "same-signer" trustworthiness of a page.