On Thu, Oct 30, 2014 at 3:14 PM, Adrian Perez de Castro <[email protected]> wrote:
> On Thu, 30 Oct 2014 09:29:36 +0100, Florian Bösch <[email protected]> > wrote: > > > The usecases: > > > > [...] > > > > *3) Initializing an existing array with a repeated numerical value* > > > > For audio processing, physics and a range of other tasks it's important > to > > initialize an array with the same data. > > > > for(var i=0; i<size; i++){ someArray[i] = 0; } > > For this use case there is %TypedArray%.prototype.fill(), see: > Oh, nice! Had completely missed fill() before. Hope to see this land soon. :) > > http://people.mozilla.org/~jorendorff/es6-draft.html#sec-%typedarray%.prototype.fill > > JavaScript engines are expected to implement it at some point. For example > I am implementing this in V8, along with other new typed array methods. The > engines should be able to generate quite good code for uses of this > function > and/or provide optimized versions relying on knowledge of the underlying > element type of the typed array they are applied to. > > Cheers, > > -- > ☺ Adrián > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
