Question

How to use nested functions in JavaScript

Answer 1

function doo() {
    console.log("doo()");
    
    function in_func() { // accessible only within doo()
        return 100;
    }
    
    console.log("before return");
    
    return in_func();
}
  
console.log(doo());
 
 
 
 
/*
run:
  
"doo()"
"before return"
100
  
*/

 

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