If you care, look here:
http://hepunx.rl.ac.uk/~adye/jsspec11/llr.htm
Easiest way to read that is to start backwards. So the first thing you see is
Quote:
PrimaryExpression:
( Expression )
Identifier
IntegerLiteral
FloatingPointLiteral
StringLiteral
false
true
null
this
|
And then, of course, your find that Expression includes PrimaryExpression. And so on.