That’s not true these days. You can try it yourself right in your browser’s dev console.

These results are from Firefox’s console.

0 == null == undefined
> false
0 == null
> false
0 == undefined
> false
null == undefined
> true
null === undefined
> false

And even in the one case where == says they are the same, you can fix that by making sure you are using === so that it doesn’t do type coercion for the comparison.

@shrugal@lemm.ee
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1Y

Shhhhh, bashing Javascript is cool around here.

JackbyDev
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11Y

Just make fun of it for having two flavors of null.

So what’s wrong with having two flavors of null?

JackbyDev
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21Y

It’s super confusing. A lot of people think even one null is a problem.

What’s confusing about that? It’s null, just two different kinds with slightly different meanings. Is having two boolean values also confusing?! Should we simplify it?

I mean I can get behind trying to remove null entirely and replacing it with better concepts, but I cannot understand why having one more null value suddenly makes it confusing. You don’t even have to care in 95% of the cases, and it can be useful in the other 5%.

Honestly, it looks more like some kind of misguided purism to me.

JackbyDev
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11Y

Why stop at two? Why not have a dozen versions of null?

@shrugal@lemm.ee
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1Y

Idk, how many more do you need?

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