It seems unfortunate that "let" and "const" have different usage rules from "var". It seem strange that "var" is considered a statement and not declaration as per:
http://people.mozilla.org/~jorendorff/es6-draft.html#sec-ecmascript-language-statements-and-declarations Generally, I've always thought of: "if (x) ..." as equivalent to "if (x) { ... }" Does this restriction on let/const enable anything? On Wed, Jan 29, 2014 at 10:31 PM, Erik Arvidsson <erik.arvids...@gmail.com>wrote: > It falls out of the grammar. > > IfStatement can only contain Statement which does not include Declaration > without going through a BlockStatement. > > > On Wed, Jan 29, 2014 at 9:57 PM, John Lenz <concavel...@gmail.com> wrote: > >> I have some old notes that says that "let" can't be used in some >> context where a var could like: >> >> if (a) let x = 2; >> >> In my perusal of the spec I don't see that this is the case now. Can >> someone confirm that for me? >> >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org >> https://mail.mozilla.org/listinfo/es-discuss >> >> > > > -- > erik >
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