Multi-sorting a multi-dimensional array

Question

var availableTags = [
    {value:\"fruit\",desc:\"fruit\",groupId:2,userId:4},
    {value:\"aGan\",desc:\"normal user\",groupId:4,userId:5},
    {value:\"father\'s h         


        

Answer 1

Copying my recent answer

cmp = function(a, b) {
    if (a > b) return +1;
    if (a < b) return -1;
    return 0;
}

array.sort(function(a, b) { 
    return cmp(a.groupId,b.groupId) || cmp(a.value,b.value)
})