Group by element in array by keyword

Question

I am developing an application on AngularJS (1) and I can not figure out how to split array of items in another array group by item.

I mean I have an array of different

Answer 1

You can also use an established library like lodash to make it a lot simpler and save yourself the trouble:

let arr = [
    {"name": "toto", "uuid": 1111},
    {"name": "tata", "uuid": 2222},
    {"name": "titi", "uuid": 1111}
]

let grouped = _.groupBy(arr, 'uuid')

console.log(grouped)
console.log(Object.values(grouped))