Lvalues in other expressions Although lvalues and rvalues got their names from their roles in assignment expressions, the concepts apply in all expressions, even those involving other built-in ...

New logical assignment operators JavaScript has familiar math assignment operators such as +=, which perform the operation and assignment in one go, as a kind of convenience.

Take advantage of the is and as operators in C# to perform casting operations elegantly and write code that is well structured, concise, and maintainable.