Maxim Vaarwel (2018-02-17T18:55:50.000Z)
paloshmax at gmail.com (2018-02-17T18:59:43.219Z)
Wow, thank you, I'm grateful to your answer. Thank you for helping me.
paloshmax at gmail.com (2018-02-17T18:59:26.669Z)
---------- Forwarded message ---------- From: Maxim Vaarwel <paloshmax at gmail.com> Date: 2018-02-18 4:53 GMT+10:00 Subject: Re: What was said in this sentence? To: "T.J. Crowder" <tj.crowder at farsightsoftware.com> Wow, thank you, I'm grateful to your answer. Thank you for helping me. 2018-02-14 17:06 GMT+10:00 T.J. Crowder <tj.crowder at farsightsoftware.com>: > On Wed, Feb 14, 2018 at 5:15 AM, Maxim Vaarwel <paloshmax at gmail.com> > wrote: > >> > >> "Whether the toString function can be applied successfully to a host > object is implementation-dependent". What "implementation-dependent" > > > > What does this sentence say? What kind of implementation are we talking > about (The algorithm toString is concrete described)? > > The most recent spec I can find with that sentence is the 5th edition, > which is 3-4 editions out of date. I suggest using the [latest draft > standard][2] as your primary reference. > > To answer your question: The implementation in question is the > implementation of the host object, not `toString`. In the 5th edition, > ["host object"][1] is defined as: > > > object supplied by the host environment to complete the execution > environment of ECMAScript > > For instance, a DOM object in a browser. ECMAScript cannot say that > applying `Array.prototype.toString` or `Object.prototype.toString` to a > host object will necessarily work as described (for instance, > `Object.prototype.toString.call(domElement)`); it depends on the > implementation of the host object. > > -- T.J. Crowder > > [1]: http://ecma-international.org/ecma-262/5.1/#sec-4.3.8 > [2]: https://tc39.github.io/ecma262/ > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20180218/7865131f/attachment.html>
paloshmax at gmail.com (2018-02-17T18:59:14.441Z)
---------- Forwarded message ---------- From: Maxim Vaarwel <paloshmax at gmail.com> Date: 2018-02-18 4:53 GMT+10:00 Subject: Re: What was said in this sentence? To: "T.J. Crowder" <tj.crowder at farsightsoftware.com> Wow, thank you, I'm grateful to your answer. Thank you for helping me.
paloshmax at gmail.com (2018-02-17T18:58:59.028Z)
---------- Forwarded message ---------- From: Maxim Vaarwel <paloshmax at gmail.com> Date: 2018-02-18 4:53 GMT+10:00 Subject: Re: What was said in this sentence? To: "T.J. Crowder" <tj.crowder at farsightsoftware.com> Wow, thank you, I'm grateful to your answer. Thank you for helping me.
paloshmax at gmail.com (2018-02-17T18:57:38.480Z)
Wow, thank you, I'm grateful to your answer. Thank you for helping me.