aisapatino/js-practice — pull request #1 by aisapatino (2014-05-23 18:50:21+00:00)
Title: simple linked list implementation

`deleteItem` should be `O(1)` according to [this](http://bigocheatsheet.com/)
I'm not sure how, unless you can only delete from the first or last element. Otherwise if search is `O(n)`, how could delete be `O(1)` ?