Sorting an array of objects in Javascript

var mySortArray = [];

mySortArray.push({orderNr:internalOrder,content:anyText});

mySortArray.sort(function(a, b){
var orderNrA = a.orderNr;
var orderNrB = b.orderNr;
if(orderNrA === null){
return 1;
}
else if(orderNrB === null){
return -1;
}
if(orderNrA < orderNrB){
return -1
}
else if(orderNrA > orderNrB){
return 1
}
return 0
});

More info: http://www.javascriptkit.com/javatutors/arraysort2.shtml