View difference between Paste ID: wrnbe8jp and R32TXix0

 var foo;
 
 (function(){
     var s="local scope";
 
     function printS(){
         document.getElementById("demo").innerHTML=s;
     }
 
     foo=printS;
 
 }());
 
-document.getElementById("demo").innerHTML="nothing";
+document.getElementById("demo").innerHTML="nothing";
 foo();