Already reported https://github.com/elm-lang/html/issues/124. My advice
would be to use `attribute "download" "value"` and it will be removed if
omitted.
On Tuesday, May 9, 2017 at 10:00:29 PM UTC+2, Kasey Speakman wrote:
>
> Hi, maybe someone has run into this.
>
> I'm noticing that download and target attributes are not getting removed
> from links even though subsequent renders are omitting them.
>
> Using this test code on http://elm-lang.org/try:
>
> import Html exposing (a, text, beginnerProgram)
> import Html.Events exposing (onClick)
> import Html.Attributes exposing (target, download)
>
> main =
> beginnerProgram { model = False, view = view, update = update }
>
> view model =
> a
> [ onClick Toggle
> , if model then
> target "_blank"
> else
> download True
> ]
> [ text "click" ]
>
> type Msg =
> Toggle
>
> update msg model =
> case msg of
> Toggle ->
> not model
>
>
> The initial view renders download="true".
>
> First click renders download="null" target="_blank". In Chrome at least,
> blank target is ignored and file is downloaded anyway simply for the
> presence of download attribute.
>
> Second click renders download="true" target.
>
> I thought omitting the attribute would result in it being absent in the
> rendered HTML, but not so.
>
> *Well, after I typed this out...*
>
> I found two work-around.
>
> 1) Wrap in a different parent element for each. For example, use div for
> one and span for the other.
> 2) Using Html.Keyed.node to put an identity on each.
>
> Kasey
>
>
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