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jQM 1.4 has 250ms delay to beforefilter - why?

in jQuery Mobile • 9 years ago

I had noticed that filter performance in 1.4 had seemed sluggish compared to 1.3 and earlier. It appears that a 250ms delay (verified by inspecting the source JS) has been introduced. As described here:

http://api.jquerymobile.com/filterable/

The filterable widget reacts to the change signal by reading the value of the input after a short delay and iterating...

Can anyone shed any light on why this might be?

It gives the appearance of being far less responsive because of the delay.

Replies(2)

bagman

Re: jQM 1.4 has 250ms delay to beforefilter - why?

9 years ago

The explanation is in the filterable documentation at http://demos.jquerymobile.com/1.4.2/filterable/

As with the listview extension, you can provide custom callback functions to the filter or override the filter altogether on the filterablebeforefilter event. Please note that the filter has a delay of 250ms before the filter actually triggers. This prevents running the filtering function multiple times while the user is typing.

AnthonyC

Re: jQM 1.4 has 250ms delay to beforefilter - why?

9 years ago

Thanks @bagman.

Hmm, ok I can understand if I have a very large set of data to filter, but if not this seems like an unnecessary delay. Would be nice if it was configurable.

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jQM 1.4 has 250ms delay to beforefilter - why?

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