setinterval

Say someone (evil) has set us a timer with setInterval , but we don't know its ID (we don't have the reference to the object, that setInterval is returning, nor its value) (function(){ setInterval(function(){console.log('pwned')}, 10000) })(); Is there a way, how to clear it? Is it possible to acces the timer some other way? Or at least in particular browser/javascript engine? David Flanagan touches similar topic his big JSTDG. setInterval() method, use in malicious code key in the index points to ... Some browsers detect repeated dialog boxes and long-running scripts and give the user the

A couple years ago I was warned against using setInterval for long periods of time as it supposedly would cause the browser to hang if the called function ran longer than the designated interval, and would then not be able to catch up: setInterval( function(){ foo = 'bar_' + i++; }, 1 ); Now, I'm aware that adding lots of code in a loop could cause the browser to hang anyway , and that blocking code like alert , prompt , and confirm will stop the code in it's tracks, but is there any good reason to avoid setInterval ? Note: I am aware of how to do recursive setTimeout calls (as that's what I

In my application I found some JavaScript code that is using setInterval with 0 milliseconds, like so: self.setInterval("myFunction()",0); Obviously, this does not seem like a good idea to me. Can anyone tell me what will be the behaviour of setInterval here? ("myFunction" makes an AJAX call to the server) I am asking this because I am having an irregular behaviour in my application. 90% of the times, the application behaves correctly and exactly one call to the server is made. However sometimes, multiple calls are made to the server (until now, maximum is 48 calls) and I am almost certain it