Missing from Language

structs

interfaces

character literals

includes (different from imports)

C# keywords not in javascript

 * const
 * decimal
 * delegate
 * do
 * explicit
 * extern
 * fixed
 * goto
 * implicit
 * interface
 * internal
 * is
 * lock
 * namespace
 * operator
 * out
 * params
 * readonly
 * ref
 * sealed
 * sizeof
 * stackalloc
 * struct
 * unchecked
 * unsafe
 * using
 * volatile