search for: timedobservers

Displaying 3 results from an estimated 3 matches for "timedobservers".

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2007 Aug 15
4
Prototype TimedObserver Error
Hi! I have tried the demo code from http://www.prototypejs.org/api/timedObserver and get a "Null value" error in Safari and a "element has no properties" (line 2753) error in Firefox. I use prototype version 1.5.1.1 My html code looks like that ... <html> <head> <title>Test</title> <script src="prototype.js"
2005 Aug 22
8
Observing changes to a text field
I''ve noticed that using several TimedObservers (prototype.js) on a page to watch for changes to text fields (haven''t tried forms) can have a non-negligible effect on the CPU cycles used by the browser process. Nothing dramatic, to be sure, but unnecessary. Autocompleter.Base (controls.js) follows a smarter strategy to watch for ch...
2005 Jun 28
2
Problems with repeated calls to setTimeout?
Prototype.js and Thomas''s effects scripts use repeated setTimeout calls for timed looping, for instance in time-based observers. On Konqueror 3.4.1 (possibly other khtml-based browsers, too), these observers reproducibly crash the browser. Just keeping open a browser with such an observer is enough. After some time it invariably segfaults. When I substitute setInterval for setTimeout