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Sep 1st, 2015
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  1. var query = ref.orderByKey().limitToLast(10)
  2.  
  3. var query = ref.orderByKey().limitToLast(25)
  4.  
  5. -Jy39378901
  6. -Jy39378902
  7. -Jy39378903
  8. -Jy39378904
  9. -Jy39378905
  10. -Jy39378906
  11. -Jy39378907
  12. -Jy39378908
  13. -Jy39378909
  14. -Jy39378910
  15.  
  16. child_removed: -Jy39378900
  17. child_added : -Jy39378910
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