1 x = undefined 2 y = undefined 3 z = undefined 4 s = undefined 5 u = undefined 6 r = undefined 7 t = undefined 8 ReferenceError: "q" is not defined 9 b = 10 10 ReferenceError: "b" is not defined 11 Value of 'a' inside the function 20 12 Value of 'a' outside the function 10