Asked • 06/19/19

Can someone explain this JavaScript auto executing function?

var foo = (function(){ var x = 0; return function(){return x++;}; })() Why the var x = 0 expression only runs once is my biggest misunderstanding about this.

1 Expert Answer

By:

Sparky E. answered • 07/08/19

Computer Science Major, CTO at CollabTrade

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