/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

0 vote125 views1 answer
Jquery observe class change
Javascript jQuery
-1 vote115 views1 answer
Jquery function called onDeleteMovie. This function should be invoked upon clicking the Delete button of each one of the movie templates
Javascript jQuery
1 vote112 views1 answer
Jquery multiple div click
Javascript jQuery
0 vote116 views1 answer
Jquery keyup only alphanumeric
Javascript jQuery
1 vote103 views1 answer
Jquery on body click
Javascript jQuery
0 vote129 views1 answer
Jquery list all event listeners
Javascript jQuery
1 vote151 views1 answer
Jquery find children not working
Javascript jQuery
1 vote121 views1 answer
Jquery get element by id from variable
Javascript jQuery
1 vote113 views1 answer
Jquery transform scale
Javascript jQuery
5 votes119 views2 answers
Jquery in array
Javascript jQuery