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From this https://en.wikipedia.org/wiki/Immediately_invoked_function_expression

!function () { /* ... */ }(); 
~function () { /* ... */ }();  
-function () { /* ... */ }(); 
+function () { /* ... */ }(); 
void function () { /* ... */ }();

I can't find any information online.

Nick Parsons
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Ds Klur
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  • The Wikipedia article *does* explain it, albeit rather tersely. It's to change the interpreter into *expression mode*, so it wouldn't treat `function() {}` as a declaration. – VLAZ Mar 30 '20 at 11:36
  • I took me ages to get through the jargon. What is “an expression” or a “statement”? What does “invocation” mean? Etc... Once you do, this becomes a lot easier to understand. – evolutionxbox Mar 30 '20 at 11:39
  • @evolutionxbox Yes you're right. I'm just started learn JS.I don't know what they're called. I tried to search something like 'js operator' ,'!function() javascript' ,'~function ()' on this site , search on w3schools and everywhere.I found nothing.I used wrong keywords. – Ds Klur Mar 30 '20 at 12:04
  • You right, knowing searching with the right terminology is a hard skill to learn. – evolutionxbox Mar 30 '20 at 12:06

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