... JavaScript provides a thing called a variable var caught = * 5; A variable always has a name, and it can point at a value, holding on to it The previous statement creates a variable called caught ... "psychoanalysis") is an expression An expression between parentheses is also an expression And a binary operator applied to two expressions, or a unary operator applied to one, is also an expression Using ... two values; typeof takes only one Operators that use two values are called binary operators, while those that take one are called unary operators The minus operator can be used both as a binary...