Changing boolean properties?

[hall...@chalmers.se]

Hi,

How do you changed the "checked" property of a an <input type="checkbox"> with Haste? In JavaScript,t his would be

    cb.checked=false
    cb.checked=true

I tried

    setProp cb "checked" "true"
    setProp cb "checked" "true"

but this does not work, presumably because it translates to

    cb.checked="false"
    cb.checked="true"

and converting any non-empty string is interpreted as true when converted to a boolean in JavaScript...

--
Thomas H

[Anton Ekblad]

Hi,

Haste.DOM currently doesn't provide a way to do this, which is a bit dumb. The upcoming 0.6 release will have two new functions, unsetProp and unsetAttr, to fix this. In the meantime, the problem can be worked around using the FFI:

unsetProp :: Elem -> JSString -> IO ()

unsetProp = ffi "(function(e,p){delete e[p];})"

Barring any major disruptions, 0.6 will be out in a few days however.

/Anton

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