in CoffeeScript, how can I use a variable as a key in a hash?

Question

eg:

So:

foo = \"asdf\"
{foo: \"bar\"}
eval foo

# how do I g         


        

Answer 1

CoffeeScript, like JavaScript, does not let you use expressions/variables as keys in object literals. This was support briefly, but was removed in version 0.9.6. You need to set the property after creating the object.

foo = 'asdf'

x = {}
x[foo] = 'bar'
alert x.asdf # Displays 'bar'