I post this followup with some trepidation, as the es-discuss S/N ratio
has dropped badly in recent weeks. Perhaps esdiscourse is doing better?
Anyway, discussion fodder: @rauchg messaged me recently wondering why
let f = (x) => y;
could not be shortened to
let f(x) y;
This seems like a better shorthand to discuss, compared to `let
function` (which function-in-block covers already, as noted).
/be
Allen Wirfs-Brock wrote:
On May 14, 2015, at 3:39 PM, André Bargull wrote:
On May 14, 2015, at 12:40 PM, Alexander Jones wrote:
Ah, thanks for explaining! What about the Temporal Dead Zone of let, or const
binding semantics, for those of us who are obsessive enough to desire that kind
of thing everywhere?
ES6 specifies that function declarations are allowed in blocks in both strict
and nn-strict mode. In both cases they are block scoped and have essentially
the same semantics (including a TDZ) as a let declaration.
There is no TDZ for block-scoped function declarations. Function declarations
are basically hoisted to the top of the block.
Ah right, I misspoke about on that point. block level function declarations
are indeed hoisted to the top of the block.
Allen
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