Proposal for a null coalescing operator

[Isiah Meadows]

This is something I frequently make a helper function out of.

```js
function d(argument, default_) {
  return argument != null ? argument : default_
}
```

On Sun, Aug 16, 2015, 20:34 Brandon Andrews <warcraftthreeft at sbcglobal.net>
wrote:

> https://en.wikipedia.org/wiki/Null_coalescing_operator
>
> Essentially x ?? y will return x when not null or undefined else it will
> return y.
>
>
> A nice Javascript explanation of the current problems with using || that
> can cause unforeseen bugs:
>
> http://stackoverflow.com/a/476445
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