Sort array by order according to another array

Question

I have an object that is being returned from a database like this: [{id:1},{id:2},{id:3}]. I have another array which specified the order the first array should be

Answer 1

    function sortArrayByOrderArray(arr, orderArray) {
        return arr.sort(function(e1, e2) {
            return orderArray.indexOf(e1.id) - orderArray.indexOf(e2.id);
        });
    }

    console.log(sortArrayByOrderArray([{id:1},{id:2},{id:3}], [2,3,1]));