Uncaught SyntaxError Unexpected end of JSON input at JSON parse anonymous

Question

I need some help with this error       Uncaught SyntaxError  Unexpected end of JSON input       at JSON parse          at Object success  dashboard js 22        at fire  jquery-3 3 1 js 3268        at Object fireWith  as resolveWith   jquery-3 3 1 js 3398        at done  jquery-3 3 1 js 9305        at XMLHttpRequest   jquery-3 3 1 js 9548    i try to transform a string to a json object using Json parse   that cause that error  I am using oracleJet and this is my code    function DashboardViewModel          var self   this      self lineTypeValue   ko observable  curved        var scatterSeries               getJSON   http   localhost 8080 points   function  data                   console info data                  var ch      name   graphe1   items    JSON stringify data results 1                        console info ch                  console info JSON parse scatterSeries                   scatterSeries push JSON parse ch                          chart data         this scatterSeriesValue   ko observableArray scatterSeries        self lineTypeOptions              id   straight   label   straight             id   curved   label   curved             id   stepped   label   stepped             id   segmented   label   segmented             id   none   label   none                The Json that i get from  http   localhost 8080 points  look like this       results                              b   0 110547334            cost   0 000000            w   1 998889                                      x  0           y  0                           x  1           y  2                           x  2           y  4                           x  3           y  6                           x  4           y  8                           x  5           y  10                           x  6           y  12                           x  7           y  14                           x  8           y  16                           x  9           y  18                           x  10           y  20                           x  11           y  22                           x  12           y  24                           x  13           y  26                           x  14           y  28                           x  15           y  30                           x  16           y  32                           x  17           y  34                           x  18           y  36                           x  19           y  38                           x  20           y  40                           x  21           y  42                           x  22           y  44                           x  23           y  46                           x  24           y  48                           x  25           y  50                           x  26           y  52                           x  27           y  54                           x  28           y  56                           x  29           y  58                           x  30           y  60                           x  31           y  62                           x  32           y  64                           x  33           y  66                           x  34           y  68                           x  35           y  70                           x  36           y  72                           x  37           y  74                           x  38           y  76                           x  39           y  78                           x  40           y  80                           x  41           y  82                           x  42           y  84                           x  43           y  86                           x  44           y  88                           x  45           y  90                           x  46           y  92                           x  47           y  94                           x  48           y  96                           x  49           y  98                           x  50           y  100                           x  51           y  102                           x  52           y  104                           x  53           y  106                           x  54           y  108                           x  55           y  110                           x  56           y  112                           x  57           y  114                           x  58           y  116                           x  59           y  118                           x  60           y  120                           x  61           y  122                           x  62           y  124                           x  63           y  126                           x  64           y  128                           x  65           y  130                           x  66           y  132                           x  67           y  134                           x  68           y  136                           x  69           y  138                           x  70           y  140                           x  71           y  142                           x  72           y  144                           x  73           y  146                           x  74           y  148                           x  75           y  150                           x  76           y  152                           x  77           y  154                           x  78           y  156                           x  79           y  158                           x  80           y  160                           x  81           y  162                           x  82           y  164                           x  83           y  166                           x  84           y  168                           x  85           y  170                           x  86           y  172                           x  87           y  174                           x  88           y  176                           x  89           y  178                           x  90           y  180                           x  91           y  182                           x  92           y  184                           x  93           y  186                           x  94           y  188                           x  95           y  190                           x  96           y  192                           x  97           y  194                           x  98           y  196                           x  99           y  198                and what i want the variable scatterSeries to hold is a table like this one             name  graphe1     items                      x 8          y 2                          x 15          y 15                          x 25          y 26                          x 33          y 22                          x 36          y 40                 what i get in the console about the string ch is this      name   graphe1   items     x  0  y  0    x  1  y  2    x  2  y  4    x  3  y  6    x  4  y  8    x  5  y  10    x  6  y  12    x  7  y  14    x  8  y  16    x  9  y  18    x  10  y  20    x  11  y  22    x  12  y  24    x  13  y  26    x  14  y  28    x  15  y  30    x  16  y  32    x  17  y  34    x  18  y  36    x  19  y  38    x  20  y  40    x  21  y  42    x  22  y  44    x  23  y  46    x  24  y  48    x  25  y  50    x  26  y  52    x  27  y  54    x  28  y  56    x  29  y  58    x  30  y  60    x  31  y  62    x  32  y  64    x  33  y  66    x  34  y  68    x  35  y  70    x  36  y  72    x  37  y  74    x  38  y  76    x  39  y  78    x  40  y  80    x  41  y  82    x  42  y  84    x  43  y  86    x  44  y  88    x  45  y  90    x  46  y  92    x  47  y  94    x  48  y  96    x  49  y  98    x  50  y  100    x  51  y  102    x  52  y  104    x  53  y  106    x  54  y  108    x  55  y  110    x  56  y  112    x  57  y  114    x  58  y  116    x  59  y  118    x  60  y  120    x  61  y  122    x  62  y  124    x  63  y  126    x  64  y  128    x  65  y  130    x  66  y  132    x  67  y  134    x  68  y  136    x  69  y  138    x  70  y  140    x  71  y  142    x  72  y  144    x  73  y  146    x  74  y  148    x  75  y  150    x  76  y  152    x  77  y  154    x  78  y  156    x  79  y  158    x  80  y  160    x  81  y  162    x  82  y  164    x  83  y  166    x  84  y  168    x  85  y  170    x  86  y  172    x  87  y  174    x  88  y  176    x  89  y  178    x  90  y  180    x  91  y  182    x  92  y  184    x  93  y  186    x  94  y  188    x  95  y  190    x  96  y  192    x  97  y  194    x  98  y  196    x  99  y  198      Any help please

User · Answer

Issue is with the Json parse of empty array - scatterSeries   as you doing console log of scatterSeries before pushing ch    x000D   x000D  var data      results      x000D        x000D           x000D           b   0 110547334   x000D           cost   0 000000   x000D           w   1 998889  x000D         x000D       x000D        x000D           x000D           x  0  x000D           y  0 x000D          x000D           x000D           x  1  x000D           y  2 x000D          x000D           x000D           x  2  x000D           y  4 x000D          x000D           x000D           x  3  x000D           y  6 x000D          x000D           x000D           x  4  x000D           y  8 x000D          x000D           x000D           x  5  x000D           y  10 x000D          x000D           x000D           x  6  x000D           y  12 x000D          x000D           x000D           x  7  x000D           y  14 x000D          x000D           x000D           x  8  x000D           y  16 x000D          x000D           x000D           x  9  x000D           y  18 x000D          x000D           x000D           x  10  x000D           y  20 x000D          x000D           x000D           x  11  x000D           y  22 x000D          x000D           x000D           x  12  x000D           y  24 x000D          x000D           x000D           x  13  x000D           y  26 x000D          x000D           x000D           x  14  x000D           y  28 x000D          x000D           x000D           x  15  x000D           y  30 x000D          x000D           x000D           x  16  x000D           y  32 x000D          x000D           x000D           x  17  x000D           y  34 x000D          x000D           x000D           x  18  x000D           y  36 x000D          x000D           x000D           x  19  x000D           y  38 x000D          x000D           x000D           x  20  x000D           y  40 x000D          x000D           x000D           x  21  x000D           y  42 x000D          x000D           x000D           x  22  x000D           y  44 x000D          x000D           x000D           x  23  x000D           y  46 x000D          x000D           x000D           x  24  x000D           y  48 x000D          x000D           x000D           x  25  x000D           y  50 x000D          x000D           x000D           x  26  x000D           y  52 x000D          x000D           x000D           x  27  x000D           y  54 x000D          x000D           x000D           x  28  x000D           y  56 x000D          x000D           x000D           x  29  x000D           y  58 x000D          x000D           x000D           x  30  x000D           y  60 x000D          x000D           x000D           x  31  x000D           y  62 x000D          x000D           x000D           x  32  x000D           y  64 x000D          x000D           x000D           x  33  x000D           y  66 x000D          x000D           x000D           x  34  x000D           y  68 x000D          x000D           x000D           x  35  x000D           y  70 x000D          x000D           x000D           x  36  x000D           y  72 x000D          x000D           x000D           x  37  x000D           y  74 x000D          x000D           x000D           x  38  x000D           y  76 x000D          x000D           x000D           x  39  x000D           y  78 x000D          x000D           x000D           x  40  x000D           y  80 x000D          x000D           x000D           x  41  x000D           y  82 x000D          x000D           x000D           x  42  x000D           y  84 x000D          x000D           x000D           x  43  x000D           y  86 x000D          x000D           x000D           x  44  x000D           y  88 x000D          x000D           x000D           x  45  x000D           y  90 x000D          x000D           x000D           x  46  x000D           y  92 x000D          x000D           x000D           x  47  x000D           y  94 x000D          x000D           x000D           x  48  x000D           y  96 x000D          x000D           x000D           x  49  x000D           y  98 x000D          x000D           x000D           x  50  x000D           y  100 x000D          x000D           x000D           x  51  x000D           y  102 x000D          x000D           x000D           x  52  x000D           y  104 x000D          x000D           x000D           x  53  x000D           y  106 x000D          x000D           x000D           x  54  x000D           y  108 x000D          x000D           x000D           x  55  x000D           y  110 x000D          x000D           x000D           x  56  x000D           y  112 x000D          x000D           x000D           x  57  x000D           y  114 x000D          x000D           x000D           x  58  x000D           y  116 x000D          x000D           x000D           x  59  x000D           y  118 x000D          x000D           x000D           x  60  x000D           y  120 x000D          x000D           x000D           x  61  x000D           y  122 x000D          x000D           x000D           x  62  x000D           y  124 x000D          x000D           x000D           x  63  x000D           y  126 x000D          x000D           x000D           x  64  x000D           y  128 x000D          x000D           x000D           x  65  x000D           y  130 x000D          x000D           x000D           x  66  x000D           y  132 x000D          x000D           x000D           x  67  x000D           y  134 x000D          x000D           x000D           x  68  x000D           y  136 x000D          x000D           x000D           x  69  x000D           y  138 x000D          x000D           x000D           x  70  x000D           y  140 x000D          x000D           x000D           x  71  x000D           y  142 x000D          x000D           x000D           x  72  x000D           y  144 x000D          x000D           x000D           x  73  x000D           y  146 x000D          x000D           x000D           x  74  x000D           y  148 x000D          x000D           x000D           x  75  x000D           y  150 x000D          x000D           x000D           x  76  x000D           y  152 x000D          x000D           x000D           x  77  x000D           y  154 x000D          x000D           x000D           x  78  x000D           y  156 x000D          x000D           x000D           x  79  x000D           y  158 x000D          x000D           x000D           x  80  x000D           y  160 x000D          x000D           x000D           x  81  x000D           y  162 x000D          x000D           x000D           x  82  x000D           y  164 x000D          x000D           x000D           x  83  x000D           y  166 x000D          x000D           x000D           x  84  x000D           y  168 x000D          x000D           x000D           x  85  x000D           y  170 x000D          x000D           x000D           x  86  x000D           y  172 x000D          x000D           x000D           x  87  x000D           y  174 x000D          x000D           x000D           x  88  x000D           y  176 x000D          x000D           x000D           x  89  x000D           y  178 x000D          x000D           x000D           x  90  x000D           y  180 x000D          x000D           x000D           x  91  x000D           y  182 x000D          x000D           x000D           x  92  x000D           y  184 x000D          x000D           x000D           x  93  x000D           y  186 x000D          x000D           x000D           x  94  x000D           y  188 x000D          x000D           x000D           x  95  x000D           y  190 x000D          x000D           x000D           x  96  x000D           y  192 x000D          x000D           x000D           x  97  x000D           y  194 x000D          x000D           x000D           x  98  x000D           y  196 x000D          x000D           x000D           x  99  x000D           y  198 x000D         x000D         x000D   x000D  var scatterSeries        x000D   x000D  var ch      name   graphe1   items    JSON stringify data results 1         x000D                 console info ch   x000D                  x000D                 scatterSeries push JSON parse ch    x000D  console info scatterSeries   x000D   x000D   x000D    code sample - https   codepen io nagasai pen GGzZVB

User · Answer

Remove this line from your code   console info JSON parse scatterSeries

User · Answer

You define var scatterSeries        and then try to parse it as a json string at console info JSON parse scatterSeries    which obviously fails  The variable is converted to an empty string  which causes an  unexpected end of input  error when trying to parse it

User · Answer

You are calling   JSON parse scatterSeries    But when you defined scatterSeries  you said   var scatterSeries          When you try to parse it as JSON it is converted to a string       which is empty  so you reach the end of the string before having any of the possible content of a JSON text   scatterSeries is not JSON  Do not try to parse it as JSON   data is not JSON either  getJSON will parse it as JSON automatically    ch is JSON     but shouldn t be  You should just create a plain object in the first place   var ch          name    graphe1        items   data results 1      scatterSeries push ch     In short  for what you are doing  you shouldn t have JSON parse anywhere in your code  The only place it should be is in the jQuery library itself

[javascript] Uncaught SyntaxError: Unexpected end of JSON input at JSON.parse (<anonymous>)

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