On Wed, Apr 20, 2011 at 9:58 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
> On Wed, Apr 20, 2011 at 9:37 PM, Jian Li <jia...@chromium.org> wrote: > >> I am referring to Blob.slice(start, end) that mimics Array.slice. Where in >> WebIDL has this behavior defined? Sorry I can't find it in the spec. >> >> For Array.slice(start, end), both Safari and Chrome treat passing >> undefined as omitted parameter, while Firefox and IE treat passing undefined >> as 0. >> > > Doesn't that mean the current behavior (i.e. treating undefined as 0) is > correct since that's what other browsers do? > > If it is true that passing undefined should be treated as 0, we do not have >> a bug in JSC and V8 bindings layer. However, we do have a bug in JSC and V8 >> internals. >> > > I don't get what you mean here. If there are no bugs in JSC/V8 bindings, > then what are you trying to "fix"? > I mean we need to fix Array.slice behavior in JSC and V8 since Array.slice is not defined in our IDL. > > - Ryosuke >
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