Is it possible that this code will cause the client to slow down due to the extended timeout?
//and let's revisit this after some time
setTimeout(function() {
updateWeather(lat,lng);
}, 60000);
Is it possible that this code will cause the client to slow down due to the extended timeout?
//and let's revisit this after some time
setTimeout(function() {
updateWeather(lat,lng);
}, 60000);
Simply using that code isn't enough. The system will remain idle for one minute. As long as updateWeather function runs efficiently and the time interval is short, the use of setTimeout won't be necessary. (It appears you meant setInterval instead of setTimeout for recurring checks)
The mystical workings of the operating system allow the 60-second timer to operate seamlessly without burdening the CPU load.
It seems that updateWeather() is continuously checking an external source for updates, so there is no need to worry about any negative impact. Perhaps adjusting the interval to 5 minutes would be more efficient in terms of battery life. Additionally, it may be beneficial to synchronize the timer with the weather data provider's update schedule using a setTimeout.
In scenarios where data is collected over the 60-second period and then processed in one go, there may be a noticeable spike in system load. To address this, using a shorter timer interval like 5 seconds can help distribute the processing load more evenly.
On the other hand, mobile devices need to carefully manage network usage to optimize battery life. Increasing the polling interval from 60 seconds to 120 seconds can significantly extend battery life by reducing the frequency of network wake-ups. Ilya Grigorik's book, High Performance Browser Networking, delves into this topic further: For more information, visit:
The solution to your query relies on a few factors:
If you use a standalone setTimeout function, it shouldn't have a significant impact on your browser. However, if you repeatedly execute the same task, it could make a noticeable difference.
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It's important to consider the impact of closing in-scope variables on memory performance, in addition to what has already been mentioned in previous responses. If there are countless objects referenced by variables in the scopes above your setTimeout callback, those objects may persist as long as the callback is in the queue. Without visibility into the code you provided, it's impossible to definitively answer your question. Furthermore, if your setTimeout is invoked multiple times, it will generate a closure for each invocation, essentially duplicating the environment and utilizing more heap space.
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