Simple function to sort an array of objects

sort-array-object.js

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