Get all unique values in a JavaScript array of objects (remove duplicates)

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0

  const uniqueArray = propertyList.filter(
    (v, i, a) => a.findIndex((t) => t.type === v.type) === i
  );

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Source: Grepper

Tags: get javascript unique-values whatever

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Contributed on Oct 06 2022

Corner Camper

0 Answers Avg Quality 2/10

remove duplicates from array of objects javascript

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3

let arr = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"}];

const uniqueArray = arr.filter((v,i,a)=>a.findIndex(t=>(t.name===v.name))===i)
console.log(uniqueArray);

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jun 21 2021

Light Lobster

0 Answers Avg Quality 2/10

how to remove duplicate values in array of objects using javascript

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const array = [{id: 1, name: "hello"}, {id: 2, name: "hii"}, {id: 1, name: "hey"} ]; 
const cleanArray = array.reduce((unique, o) => {
        if(!unique.some(obj => obj.id === o.id)) {
          unique.push(o);
        } 
        return unique;
    },[]);

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Source: Grepper

Tags: javascript j

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Contributed on Mar 14 2022

Himanshu Makwana

0 Answers Avg Quality 2/10

remove duplicates from array of objects

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const arr = [
  { id: 1, name: "test1" },
  { id: 2, name: "test2" },
  { id: 2, name: "test3" },
  { id: 3, name: "test4" },
  { id: 4, name: "test5" },
  { id: 5, name: "test6" },
  { id: 5, name: "test7" },
  { id: 6, name: "test8" }
];

const filteredArr = arr.reduce((acc, current) => {
  const x = acc.find(item => item.id === current.id);
  if (!x) {
    return acc.concat([current]);
  } else {
    return acc;
  }
}, []);

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: dev.to

Tags: javascript j

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Contributed on Aug 08 2022

allan asirraj

0 Answers Avg Quality 2/10

How to remove all duplicates from an array of objects

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obj.arr = obj.arr.filter((value, index, self) =>
  index === self.findIndex((t) => (
    t.place === value.place && t.name === value.name
  ))
)

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Source: stackoverflow.com

Tags: whatever whateve

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Contributed on Sep 20 2022

Happy Hamerkop

0 Answers Avg Quality 2/10

Get all unique values in a JavaScript array of objects (remove duplicates)

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