On Oct 18, 2013, at 9:05 AM, Anne van Kesteren wrote: > On Fri, Oct 18, 2013 at 4:58 PM, Mathias Bynens <[email protected]> wrote: >> On 18 Oct 2013, at 10:48, Anne van Kesteren <[email protected]> wrote: >>> When you phrase it like that, I see another problem with >>> codePointAt(). You can't just replace existing usage of charCodeAt() >>> with codePointAt() as that would fail for input with paired >>> surrogates. E.g. a simple loop over a string that prints code points >>> would print both the code point and the trail surrogate code point for >>> a surrogate pair. >> >> I disagree. In those situations you should just iterate over the string >> using `for…of`. > > That seems to iterate over code units as far as I can tell. > > for (var x of "💩") > print(x.charCodeAt(0)) > > invokes print() twice in Gecko. >
No that's not correct, the @@iterator method of String.prototype is supposed to returns an interator the iterates code points and returns single codepoint strings. The spec. for this will be in the next draft that I release. Allen _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

