On Fri, Aug 22, 2008 at 6:22 AM, Sam Ruby <[EMAIL PROTECTED]> wrote: > On Fri, Aug 22, 2008 at 2:30 AM, Jason Orendorff > <[EMAIL PROTECTED]> wrote: >> var a = []; >> a[0] = "first"; >> a[0.0m] = "second"; // a second property? >> a[0.000m] = "third"; // a third? > > [...] > > It seems to me that if trailing zeros are retained in a call to > ToString, then to be consistent with ES3, the three assignments above > would produce three properties. And if trailing zeros are lost, you > would expect to only have one. Both approaches are internally > consistent, and it surprises me to see either one characterized as > "breaking" array lookup.
Well, the intuition is that two equal numbers should index the same property. This is an invariant in ES3 and it makes a lot of sense. -j _______________________________________________ Es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
