Additionally, ".each()" is another option --
(defn listen-to-links
[links]
(.each links
(fn [idx, el]
(.log js/console el))))
However, how does one reference "this" within the anonymous (or defined)
function?
On Wednesday, January 23, 2013 11:45:13 PM UTC-5, Evan Mezeske wrote:
>
> Oops, I should never type code straight into an email window, without
> REPLing it first... X_X
>
> I left in the "links" argument to map. This is probably closer to what I
> meant:
>
> (defn listen-to
> [links]
> (doseq [link links]
> (.log js/console link)))
>
> On Wednesday, January 23, 2013 8:39:51 PM UTC-8, Evan Mezeske wrote:
>>
>> When you want to iterate over things and perform a side-effecty action
>> for each one (logging is a side effect, as would be adding event listeners
>> to DOM nodes, changing CSS classes, etc), doseq is usually the clearest
>> thing to do:
>>
>> (defn listen-to
>> [links]
>> (doseq [link links]
>> (.log js/console link) links))
>>
>> You almost never want to use map for side effects. A good rule of thumb
>> is that if you don't use the return value from map, you probably want doseq
>> instead.
>>
>
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