Something I missed (I had it at Python): exec.
So I could create a local variable with a dynamic name:
mynewname = ....
exec("var " + mynenname + " = .... ");
Ok, only one case found yet. I could circumvent it using
myobj[mynewname] = ...
with (myobj) {
.... // use mynewname "alone"
}
On Wed, Dec 12, 2012 at 4:17 AM, Isaac Schlueter <[email protected]> wrote:
> On Tue, Dec 11, 2012 at 7:18 PM, spqr <[email protected]> wrote:
> > maybe my question should have been "why does JavaScript have eval()?" ;-)
>
> I think a lot of people have wondered the same thing.
>
> Yes, it has its uses, but at this point, I don't know of any that
> aren't better served using some other mechanism. eval() has weird
> optimization-destroying semantics that cannot ever be changed, due to
> the fact that JavaScript must be backwards compatible forever.
>
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