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how to merge two array of objects in javascript site:stackoverflow.com

Goblin _ answered on November 11, 2022 Popularity 1/10 Helpfulness 1/10

answer how to merge two array of objects in javascript site:stackoverflow.com

related how to merge two array of objects in javascript site:stackoverflow.com

how to merge two array of objects in javascript site:stackoverflow.com

Comment

let arr1 = [
  {
    name: "Person1",
    age: 20
  },
  {
    name: "Person2",
    age: 30
  }
]


let arr2 = [
  {
    name: "Person1",
    email: "person1@mail.com"
  },
  {
    name: "Person3",
    age: 25
  }
]

const merge = (a1,a2) => {

return a1.map( (x) => {
  const y = a2.find( item => x.name === item.name);
  if (y) {
    return Object.assign({},x,y);
  } else
    return x
}).concat(a2.filter(item => a1.every( x => x.name !== item.name)));




}

arr3 = merge(arr1, arr2)

console.log(arr3)
 Run code snippet

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript merge

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Contributed on Nov 11 2022

Goblin _

0 Answers Avg Quality 2/10

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how to merge two array of objects in javascript site:stackoverflow.com

Comment

const
    merge = (...arrays) => {
        const merged = {};
        
        arrays.forEach(data =>
            data.forEach(o => Object.assign(merged[o.name] ??= {}, o))
        );
        
        return Object.values(merged);
    },
    array1 = [{ name: "Person1", age: 20 }, { name: "Person2", age: 30 }],
    array2 = [{name: "Person1", email: "person1@mail.com" }, { name: "Person3", age: 25 }],
    result = merge(array1, array2);

console.log(result);

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: merge javascript

Link to this answer
Share Copy Link

Contributed on Nov 11 2022

Goblin _

0 Answers Avg Quality 2/10

how to merge two array of objects in javascript site:stackoverflow.com

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