The array of objects must itself be an object, or part of one.
Create a method of that object which performs a sort on the array, using
some sorting key.
Swap sort is the simplest, just comparing adjacent items and swapping
them if required.
It is of complexity N squared, so if your list is very long something
like quick sort might be better.
Both of these need little extra memory.
If the object has any events, one of these could be used to call the
sort when required.
More likely you will have to call the sort externally whenever you read
or write to the array of objects.
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