Javascript Set with objects

javascript-set-with-objects.js

const data = [
  {a: 1, b: 2, c: 3},
  {a: 4, b: 5, c: 6},
  {a: 1, b: 2, c: 3},
  {a: 4, b: 5, c: 6},
];

const dataSetRaw = new Set();
data.map( (item) => (
  dataSetRaw.add(
    JSON.stringify(item)
  )
));
const dataSet = Array.from(dataSetRaw).map( (item) => JSON.parse(item) );

console.log('dataSet', dataSet);
/*output 
  [
    {"a":1,"b":2,"c":3},
    {"a":4,"b":5,"c":6}
  ] 
  */