javascript json sort

var people = [
    {name: 'a75',
    item1: false,
    item2: false},
    {name: 'z32',
    item1: true,
    item2: false},
    {name: 'e77',
    item1: false,
    item2: false}];

function sortByKey(array, key) {
    return array.sort(function(a, b) {
        var x = a[key]; var y = b[key];
        return ((x < y) ? -1 : ((x > y) ? 1 : 0));
    });
}

people = sortByKey(people, 'name');