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Dynamic Select Menus in Rails using Observe_Field
Mar 16, 2010 by Charlie
I frequently find myself building forms which contain dynamic select menus. This means that a user selects a choice from one menu, and that choice populates options into a second menu. An example of this might be a scenario where the user selects their state from a drop-down menu, then selects their city from a second menu. We only want that second menu to contain citie...