Grid: Paging of JavaScript Array already in memory

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You'll need to replace this function:

var fn = function(r1, r2){
    return r1 < r2;
};

with:

var fn = function(r1, r2){
    return r1 == r2?0:r1 < r2?-1:1;
};

to get the sorting to work properly.

i fixed this in Ext.ux.data.PagingMemoryProxy