Brendan Eich wrote: > On Aug 22, 2008, at 7:26 AM, Ingvar von Schoultz wrote: > >> Brendan Eich wrote: >>> More helpful would be comments on the utility of let blocks >>> (a.k.a. let statements) and let expressions. >> While reading up on this, I noticed that you can declare the >> same name with both let and var in the same scope: >> >> var x = 'global'; >> let x = 42; > > If these are both within an explicit block, the let will shadow the > hoisted var.
This one is bizarre and infrequent enough that I wouldn't mind if we made this into an error -- specifically, you can't write "var x" inside a block that contains a "let x" if that var would hoist to or beyond that let's block. Waldemar _______________________________________________ Es-discuss mailing list Es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss