please add orEqual operator

[Michael A. Smith]

I was going to suggest a Set, now that ECMA has them…
http://www.ecma-international.org/ecma-262/6.0/index.html#sec-set-objects

```js
if ((new Set([1,2,3,5]).has(a)) {
    // stuff
}
```




On Sun, Aug 9, 2015 at 4:20 PM <myemailum14 at gmail.com> wrote:

> it could be used like this:
>
> if ( a == 1 ||= 2 ||=3 ||=5) { //do something if a is either 1,2,3,5}
>
> and it could be used like this
>
> a || = 0
> // a = a || 0
>
> thanks
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