Copying of an array of objects to another Array without object reference in javascript(Deep copy)

Question

I have a scenario where i need to copy the array of Objects(Main array) to another Temp array which should not have object reference basically if i make any modification to

Answer 1

Use angular.copy. But not for the whole array (because it would pass array items by reference), but iterate it and use angular.copy on its members.

var newArray = [];
for (var i = 0, item; item = mainArray[i];) {
    newArray[i] = angular.copy(item);
    i++;
}