1 TypeError: Assignment to constant "x"
   2 TypeError: Assignment to constant "x"
   3 TypeError: Assignment to constant "x"
   4 TypeError: Assignment to constant "x"
   5 TypeError: Assignment to constant "x"
   6 TypeError: Assignment to constant "x"
   7 TypeError: Assignment to constant "x"
   8 TypeError: Assignment to constant "x"
   9 TypeError: Assignment to constant "x"
  10 TypeError: Assignment to constant "x"
  11 TypeError: Assignment to constant "x"
  12 TypeError: Assignment to constant "x"
  13 TypeError: Assignment to constant "x"
  14 TypeError: Assignment to constant "x"
  15 TypeError: Assignment to constant "x"
  16 SyntaxError: cannot delete "x" in strict mode
  17 TypeError: Assignment to constant "c"
  18 TypeError: Assignment to constant "c"