Re: Elements array and query/queryAll methods

On Tue, Apr 8, 2014 at 1:39 PM, Dean Edwards <dean.edwards@gmail.com> wrote:
> The question I have about this proposal is how do we handle people
> adding non-elements to the array?
>
> var elems = document.queryAll("p");
> elems.push(null);
> elems.queryAll("span");
>
class Elements extends Array {
 ...
 push(...elems) {
 // not necessarily instanceof, but some kind of check that's similar:
 if (!elems.every(elem => elem instanceof Element)) {
 throw some exception
 }
 super(...elems);
 }
 ...
}
Rick