There is in Mozilla https://developer.mozilla.org/en/New_in_JavaScript_1.7#let_statement https://developer.mozilla.org/en/New_in_JavaScript_1.7#let_s... http://

There is in Mozilla https://developer.mozilla.org/en/New_in_JavaScript_1.7#let_statement https://developer.mozilla.org/en/New_in_JavaScript_1.7#let_s... http://wiki.ecmascript.org/doku.php?id=proposals:block_expressions&s=let http://wiki.ecmascript.org/doku.php?id=proposals:block_expre...