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check which is dubicate in object of array

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Faran Shahid answered on November 17, 2020 Popularity 8/10 Helpfulness 4/10

answer check which is dubicate in object of array

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check which is dubicate in object of array

Comment

const arry = [1, 2, 1, 3, 4, 3, 5];

const toFindDuplicates = arry => arry.filter((item, index) => arr.indexOf(item) !== index)
const duplicateElementa = tofindDuplicates(arry);
console.log(duplicateElements);

// Output: [1, 3]

Popularity 8/10 Helpfulness 4/10 Language javascript

Source: flexiple.com

Tags: javascript object

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Contributed on May 20 2022

Faran Shahid

0 Answers Avg Quality 2/10

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js check if array of objects contains duplicates

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const arrayOfObjCopy = [...arrayOfObj];

Object.keys(arrayOfObjCopy).forEach((key) => {
  arrayOfObjCopy[key] = JSON.stringify(arrayOfObjCopy[key]);
 });

const arrayOfObjhasDuplicates = uniq(arrayOfObjCopy).length != arrayOfObjCopy.length;

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: contains contain

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Contributed on Nov 17 2020

Ugliest Unicorn

0 Answers Avg Quality 2/10

Find Dubplicate In Array of Object

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var family = [{ name: "Mike", age: 10 }, { name: "Matt", age: 13 }, { name: "Nancy", age: 15 }, { name: "Adam", age: 22 }, { name: "Jenny", age: 85 }, { name: "Nancy", age: 2 }, { name: "Carl", age: 40 }],
    unique = [...new Set(family.map(a => a.name))];

console.log(unique);
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Popularity 7/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: find javascript javascri

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Contributed on May 20 2022

Faran Shahid

0 Answers Avg Quality 2/10

check duplication or existing object in an array

Comment

const checkObjectExist = (obj,list) => {
  let i;
  for (i = 0; i < list.length; i++) {
    if (list[i] === obj) {
      return true;
    }
  }
  return false;
}

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript object o

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Contributed on Jan 27 2023

Enthusiastic Eel

0 Answers Avg Quality 2/10

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check which is dubicate in object of array

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check which is dubicate in object of array

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