/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 vote156 views1 answer
Jquery calc height based on width
Javascript jQuery
1 vote121 views4 answers
Jquery get selected text from multiselect
Javascript jQuery
1 vote140 views1 answer
Jquery set value by id
Javascript jQuery
3 votes146 views4 answers
Jquery hover function
Javascript jQuery
20 votes143 views5 answers
Enable button jquery
Javascript jQuery
1 vote141 views2 answers
Jquery replace text in button
Javascript jQuery
0 vote150 views1 answer
Jquery loop 0 to 10
Javascript jQuery
3 votes158 views1 answer
Jquery check if element has class starting with
Javascript jQuery
96 votes200 views6 answers
Checkbox click event jquery
Javascript jQuery
0 vote148 views1 answer
Jquery.js:10363 Uncaught TypeError: url.indexOf is not a function
Javascript jQuery