Chartjs-How to pass dynamic string as dataset in charts.js

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Have you tried this one?

var prefinallds = [];
for(i = 0; i < actual_JSON.length-1; i++){
  var data = {};
  dslabel = actual_JSON[i].Client;
  dsdata = actual_JSON[i].Customer +"," +actual_JSON[i].Internal;
  gcolor = dsbgcolor[i];
  borcolor = dsborcolo[i];
  if(i == actual_JSON.length-2)
  {
    data.label = dslabel;
    data.data = dsdata;
    data.backgroundColor = dsbgcolor[i];
    data.borderColor = dsborcolo*emphasized text*[i];
    data.radius = rad;
  }
  else
  {
    data.label = dslabel;
    data.data = dsdata;
    data.backgroundColor = dsbgcolor[i];
    data.borderColor = dsborcolo*emphasized text*[i];
    data.radius = rad;
  }
  prefinallds.push(data);
}
// convert to json
JSON.parse(prefinallds);

You tried to convert a string into JSON format which is not recommended. I strongly courage developers to use an actual object to parse their data.

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