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194Re: [caplet] ADsafe

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  • David-Sarah Hopwood
    Apr 11 1:04 PM
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      Mike Samuel wrote:
      > David-Sarah Hopwood <david.hopwood@...> wrote:
      >> Mark Miller wrote:
      >> > Mike Samuel <mikesamuel@...> wrote:
      >> >> Mark Miller <erights@...> wrote:
      >> >> > Douglas Crockford <douglas@...> wrote:
      >> >> > > [...] or string literals that are not legal identifiers.
      >> >>
      >> >> and "-Infinity"
      >> >
      >> > I purposely left that out because it would already be covered by
      >> > Crock's "not legal identifiers" rule.
      >>
      >> IIUC, foo['-Infinity'] would be, but foo[-Infinity] wouldn't.
      >
      > The two are identical.

      They are evaluated identically (if Infinity is an unshadowable constant),
      but they have different syntax trees. Crock' rule was defined syntactically;
      -Infinity without the quotes is not a string literal.

      --
      David-Sarah Hopwood
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