Created
April 17, 2015 16:27
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To pull just the keys out of a hash, you have a few options but they are not interchangeable.
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| # This works in IRB but I could not get it to output in a browser. The command | |
| # 'puts' will not output to a browser but with other methods, doing something | |
| # like '{ |x| x}' usually works but not here. | |
| hash.each_key { |x| puts x } | |
| #This works to output to a browser. The output is an array. | |
| hash.key |
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