How To Remove Duplicate Of Arrays In An Object?

How can I remove duplicate of arrays in an object? The object with arrays look like follows: 0:{Id: 185, Name: 'Biomass'} 1:{Id: 125, Name: 'CO2'} 2:{Id: 108, Name: 'Coal'} 3:{Id:

Solution 1:

Suppose your array is

const myArray = [
   {Id: 185, Name: "Biomass"},
   {Id: 125, Name: "CO2"},
   {Id: 108, Name: "Coal"},
   {Id: 108, Name: "Coal"},
 ]


 let filtered = myArray.reduce((accumulator, current) => {
      if (! accumulator.find(({Id}) =>Id === current.Id)) {
          accumulator.push(current);
      }
      return accumulator;
 }, []);

filtered will print

[{"Id":185,"Name":"Biomass"},{"Id":125,"Name":"CO2"},{"Id":108,"Name":"Coal"}]