How to use a return value in another function in Javascript?

Question

I\'m self-teaching myself JavaScript and out of curiosity I\'m wondering what is the proper way of returning a value from one function to be used in another function. For ex

Answer 1

You can do this for sure. Have a look below

function fnOne(){
  // do something
  return value;
}


function fnTwo(){
 var strVal= fnOne();
//use strValhere   
 alert(strVal);
}