Question

How to define global variable in self invoking function with JavaScript

Answer 1

(function () { 
  let globalVar = "global var"; 
  function f() {
    console.log(globalVar);
  }
  f();
})(); 


// console.log(globalVar); // ReferenceError: globalVar is not defined
 
 
 
     
     
/*
run:
 
"global var"
     
*/

 

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