On 8/16/07, Stefan Gössner <[EMAIL PROTECTED]> wrote: > Hello, > here are my first questions after following the list quite a while. > > 1. I really like the array slice syntax [start:end:step] described in > http://developer.mozilla.org/es4/proposals/slice_syntax.html > > The description seems to miss the case, where 'start' is greater than 'end'. > > a[5:2] > > Will > (a) 'step' be implicitely set to -1 ? > (b) an empty array come as result ? > (c) an error occur ?
The description seems to be clear here, the result should be an empty array. > 2. The descendant operator '..' is mentioned only in the tutorial > introduction. > http://developer.mozilla.org/es4/spec/chapter_1_tutorial_introduction.html > I could not find it mentioned elsewhere. > > Is it also considered to work with array notation as in: > > y..[0] // access the first element of all arrays of 'y' and it's > descendants. I don't think so. The descendant operator is for E4X (ECMAScript for XML, ECMA-357) and has not been discussed in other contexts. E4X is not included in ECMAScript 4 at this stage. --lars _______________________________________________ Es4-discuss mailing list Es4-discuss@mozilla.org https://mail.mozilla.org/listinfo/es4-discuss
