How to sort an array of objects by multiple fields?

Question

From this original question, how would I apply a sort on multiple fields?

Using this slightly adapted structure, how would I sort city (ascending) & then price (

Answer 1

function sortMultiFields(prop){
    return function(a,b){
        for(i=0;i b[field1])
                return x;
            else if(a[field1] < b[field1])
                return -x;
        }
    }
}

How to use (put -(minus) sign before field if you want to sort in descending order particular field)

homes.sort(sortMultiFields(["city","-price"]));

Using above function you can sort any json array with multiple fields. No need to change function body at all