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group by hash in jquery

Delightful Dolphin answered on September 13, 2021 Popularity 1/10 Helpfulness 1/10

answer group by hash in jquery

group by hash in jquery

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const users = [{
    name: "Jim",
    color: "blue"
  },
  {
    name: "Sam",
    color: "blue"
  },
  {
    name: "Eddie",
    color: "green"
  },
  {
    name: "Robert",
    color: "green"
  },
];
const groupBy = (arr, key) => {
  const initialValue = {};
  return arr.reduce((acc, cval) => {
    const myAttribute = cval[key];
    acc[myAttribute] = [...(acc[myAttribute] || []), cval]
    return acc;
  }, initialValue);
};

const res = groupBy(users, "color");
console.log("group by:", res);

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: group-by hash javascript jquery

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