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// { autofold
const fs = require('fs');
const os = require('os');
// }
const myArray = [
{
firstName: 'Bob',
lastName: 'Francis',
age: 34,
city: 'Holland',
state: 'Massachusetts',
country: 'USA',
online: true
},
{
firstName: 'Janet',
lastName: 'Francis',
age: 41,
city: 'Holland',
state: 'Massachusetts',
country: 'USA',
online: false
},{
firstName: 'Alexia',
lastName: 'Francis',
age: 39,
city: 'Paris',
state: 'Ile de France',
country: 'France',
online: true,
},{
firstName: 'Lucille',
lastName: 'Boure',
age: 29,
city: 'Paris',
state: 'Ile de France',
country: 'France',
online: true,
}
];
const sortByLastName = function(a, b){ return a.lastName.localeCompare(b.lastName) };
console.log(myArray.sort(sortByLastName) );