What does this do? Is this something like an empty function? Can't find any information on this, in what use case this is used?
(() => {
console.log("test");
})
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2It doesn't really do anything. It creates a function, but it never calls it, and the function cannot subsequently be referenced. It's pretty much useless code. – Pointy Feb 11 '22 at 20:40
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This is a Arrow function – Toby Feb 11 '22 at 20:40
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@Pointy I have seen this somewhere before, but whenever I run it, it doesn't do anything – Dave Feb 11 '22 at 20:40
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It technically can be referenced...by using `();`, but that seems really pointless. – disinfor Feb 11 '22 at 20:40
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@Toby I know this is an arrow function but thats not the information I want to find out – Dave Feb 11 '22 at 20:41
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1@disinfor it *could* but that's not what was posted in the question.\ – Pointy Feb 11 '22 at 20:41
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@z0nk not doing anything is pretty much what I meant. It is not useful code. – Pointy Feb 11 '22 at 20:41
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@Pointy Oh...I agree. The duplicate is the info I think OP needs. – disinfor Feb 11 '22 at 20:41
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@Pointy is there way to run it somehow tho? Is this totally useless and should I forget about it? – Dave Feb 11 '22 at 20:41
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"What does it do?" It prints out test into the console. – Toby Feb 11 '22 at 20:42
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1If you posted an *actual* example from some context where you've seen the code, that would be helpful. – Pointy Feb 11 '22 at 20:42
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@Toby no it does not. – Pointy Feb 11 '22 at 20:42
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@Pointy, if you invoke it. – Toby Feb 11 '22 at 20:44
1 Answers
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If it had another set of parenthesis at the end, it would be a self executing function
(() => {
console.log("test");
})()
but as is, it does nothing.
iain
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