1:  function example1() {

   2:      console.log(x); // Output: undefined (x is hoisted but not yet initialized)

   3:      var x = 10;

   4:      console.log(x); // Output: 10

   5:  }

   6:  example1();

   7:  function example2() {

   8:      var x = 10;

   9:      var x = 20; // Redeclaration - last initialization wins!

  10:      console.log(x); // Output: 20

  11:  }

  12:  

  13:  example2();