/Javascript/jQuery/Group by hash in jquery

Group by hash in jquery

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);

Source: stackoverflow.com

Similar codes

1 vote288 views1 answer
Styling element using jquery
Javascript jQuery
106 votes341 views6 answers
Jquery each
Javascript jQuery
2 votes370 views1 answer
How get last array value in jquery
Javascript jQuery
10 votes311 views3 answers
Wordpress enqueue script jquery dependency
Javascript jQuery
0 vote328 views1 answer
Jquery detect shift tab
Javascript jQuery
0 vote295 views1 answer
Clear ckeditor textarea jquery
Javascript jQuery
74 votes316 views3 answers
Jquery detect when a checkbox is checked
Javascript jQuery
0 vote311 views1 answer
Jquery set multiple attribute value
Javascript jQuery
3 votes338 views2 answers
Jquery wait for element to load
Javascript jQuery
67 votes309 views4 answers
Document load complete jquery
Javascript jQuery