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filter array with unique objects javascript

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Tame Tapir answered on September 14, 2020 Popularity 10/10 Helpfulness 10/10

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answer filter array with unique objects javascript

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11

const array =
  [
    { "name": "Joe", "age": 17 },
    { "name": "Bob", "age": 17 },
    { "name": "Carl", "age": 35 }
  ]

const key = 'age';

const arrayUniqueByKey = [...new Map(array.map(item =>
  [item[key], item])).values()];

console.log(arrayUniqueByKey);

   /*OUTPUT
       [
        { "name": "Bob", "age": 17 },
        { "name": "Carl", "age": 35 }
       ]
   */

 // Note: this will pick the last duplicated item in the list.

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: stackoverflow.com

Tags: filter javascript unique

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Tame Tapir

Contributed on Sep 14 2020

Tame Tapir

0 Answers Avg Quality 2/10

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