1 ReferenceError:35:Invalid left hand side for assignment
   2 1++
   3 ^
   4 ReferenceError:42:Invalid left hand side for assignment
   5 1--
   6 ^
   7 ReferenceError:49:Invalid left hand side for assignment
   8 ++1
   9   ^
  10 ReferenceError:56:Invalid left hand side for assignment
  11 --1
  12   ^
  13 ReferenceError:35:Invalid left hand side for assignment
  14 0++
  15 ^
  16 ReferenceError:42:Invalid left hand side for assignment
  17 0--
  18 ^
  19 ReferenceError:49:Invalid left hand side for assignment
  20 ++0
  21   ^
  22 ReferenceError:56:Invalid left hand side for assignment
  23 --0
  24   ^
  25 ReferenceError:35:Invalid left hand side for assignment
  26 3.14++
  27 ^
  28 ReferenceError:42:Invalid left hand side for assignment
  29 3.14--
  30 ^
  31 ReferenceError:49:Invalid left hand side for assignment
  32 ++3.14
  33   ^
  34 ReferenceError:56:Invalid left hand side for assignment
  35 --3.14
  36   ^
  37 ReferenceError:35:Invalid left hand side for assignment
  38 true++
  39 ^
  40 ReferenceError:42:Invalid left hand side for assignment
  41 true--
  42 ^
  43 ReferenceError:49:Invalid left hand side for assignment
  44 ++true
  45   ^
  46 ReferenceError:56:Invalid left hand side for assignment
  47 --true
  48   ^
  49 ReferenceError:35:Invalid left hand side for assignment
  50 false++
  51 ^
  52 ReferenceError:42:Invalid left hand side for assignment
  53 false--
  54 ^
  55 ReferenceError:49:Invalid left hand side for assignment
  56 ++false
  57   ^
  58 ReferenceError:56:Invalid left hand side for assignment
  59 --false
  60   ^
  61 ReferenceError:35:Invalid left hand side for assignment
  62 null++
  63 ^
  64 ReferenceError:42:Invalid left hand side for assignment
  65 null--
  66 ^
  67 ReferenceError:49:Invalid left hand side for assignment
  68 ++null
  69   ^
  70 ReferenceError:56:Invalid left hand side for assignment
  71 --null
  72   ^