Scope 4

scope4.js

var a = 2;
function abc(b) {
  var c = 6;
  return [function (e) {
    var d = 7;
    return a + b + c + d + e;
  },
  function (k) {
    c = k;
  }
  ];
}
var f = 3;
var g = 9;
var ex1 = abc(g);
console.log(ex1[0](f));
ex1[1](8);
console.log(ex1[0](f));