On Wed, 2 Sep 2009, Ric Hardacre wrote:
>
> Allow the ability to directly embed or set via javascript a URI that when
> polled with a HTTP GET request will return the HTML fragment that would
> make up the list of OPTION elements as if it were a physical DATALIST that
> had its contents set via innerHTML.
>
> <input type="text" id="fruit"
> list="
http://example.com/fragments/fruit-suggestions.htm" >
>
>
> This could be a full GET including a search string, allowing search engine
> style suggest-as-you-type (performance considerations aside for this
> example!):
>
> <input type="text" id="fruit" onkeyup="fruit_list(this)" >
> <script>
> function fruit_list( elem )
> {
> elem.list = "
http://example.com/fragments/fruit-suggestions.php?value="
> + elem.value;
> }
> </script>
>
>
> Standard GET rules would apply, specifically allowing the returned
> fragment to be cached locally.
>
>
>
> The fragment returned by the server would look like the following:
>
> "<option>Apples</option><option>Bananas</option><option>Oranges</option>"
>
>
>
> This could feasibly be used to solve the long standing SELECT that fills
> another SELECT dilemma
>
> <select id="make" onchange="select_make(this)">...</select>
> <select id="model">...</select>
> <script>
> function select_make( elem )
> {
> document.getElementById("model").options =
> "
http://example.com/fragments/models.php?make=" + elem.value;
> }
> </script>
We actually had something like this earlier in the spec's lifetime, but we
removed it because it has a number of difficult problems to deal with and
was not compelling enough to justify.
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
