SOURCE

var global=100;
function  temp1( ){
    function temp2(){
      function temp3(){
      var global=400;
      console.log(global)
      
    }
    	var global = temp3;
			temp3();
    console.log(global)
  }
  var global=temp2;
  temp2()
  console.log(global)
  
}
temp1( )