get value separate from array of object list

 var students = [{

    name: 'Nick',
    achievements: 158,
    points: 14730
}, {
    name: 'Jordan',
    achievements: '175',
    points: '16375'
}, {
    name: 'Ramon',
    achievements: '55',
    points: '2025'
}];
var nameArray = students.map(function (el) { return el.name;