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Here is my scenario: a user selects a county (from an autocomplete textbox) and then (in another autocomplete) is able to select one of the cities in that county.

I want to pull all cities in a county and do the filtering client-side (which makes sense for my use-case). Also, I want to start loading the cities in the county autocomplete's "select" event, rather than waiting for the user to tab over to the cities textbox, to improve perceived performance.

All that is working fine. Here is the issue: if a fast user enters the county, then tabs over to the city textbox and starts typing before the "pre-load" request comes back, it will issue a second one and then wait for that.

I would the city autocomplete to somehow recognize that a request is already in progress. Any ideas on how to accomplish that? My code is [gist=2b9093918fd7b619b2fe]here[/gist].

TIA,
Gabe

Thanks Ryan, that should work.