How does it perform if you remove the .find(), so you get $('#mySelect
option:selected').text()
On 2009-09-21, at 10:50 AM, matthew_maxwell wrote:
>
> I've been using jQuery for a little bit now, and have noticed that
> whenever you are attempting to use jQuery on selects with a large
> amount of options, it adds a few seconds of lag to the operation.
>
> An example I ran into was when I had a select of about 4,000 options
> or so (one for every user of my site), and wanted to use jQuery to
> change from a select to a plain text field, using the following:
>
> $("#user").html( $("#mySelect").find("option:selected").text() );
>
> The time from when the user initiates the change until it actually
> completes is about 1 or 2 seconds.
>
> I notice there's also a delay when it goes to add the select back:
>
> $("#user").html(
> $( myApp.Selects.Users.HTML ).change(
> function () {
> $("#user").html( $("#mySelect").find
> ("option:selected").text() );
> }
> )
> );
>
> The lag time also appears when I go to do a simple remove:
> $("#mySelect").remove();
>
> When I use the DOM equivalents, though, this works almost instantly.
>
> Just figured I'd give you a heads up.
>
> No other issues, though. Solid library. Good work.
>
> >
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