With block statements + let/const, IIFEs are no longer needed to emulate
block-scoped variables. That got me thinking, are there other uses of
IIFEs, or are they no longer needed?
I’ve checked my code and found instances of this pattern:
var foo = (function () {
var a, b, c; // helper variables
// some computation
return /* final value of foo */;
}());
Btw, there is a "do expression" proposal (stage 0) [1] for this type of
pattern.
Anything else?
[1]: https://github.com/tc39/ecma262/issues/132
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