Sort array by name with sort() [duplicate]

Question

I am trying to sort an array by names in alphabetic order, with numbers it works, but with names doesn't. Why?

var arr = [{
    name: 'Thomas',
    age: 19
  },
  {
    name: 'Noé',
    age: 17
  },
  {
    name: 'Andrey',
    age: 27
  },
  {
    name: 'Luc',
    age: 20
  }
]

const res = arr.sort((e1, e2) => e1.name - e2.name)

console.log(res)

e1.name - e2.name are you trying to subtract two strings? What do you except it to return? — Lab
– Lab, Commented Feb 27, 2021 at 7:14

greenBox · Accepted Answer · 2021-02-27 07:15:58Z

1

Strings may not be subtracted, but you can compare them using localeCompare

const res = arr.sort((e1, e2) =>
  e1.name.toLowerCase().localeCompare(e2.name.toLowerCase())
);

answered Feb 27, 2021 at 7:15

greenBox

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