Questions Tagged [Setinterval]

setInterval is a global JavaScript method. It is used to execute a particular function or piece of code at regular intervals.

1,182 questions with no upvoted or accepted answers
5 votes
0 answers
3k views

I am getting [Violation] 'setInterval' handler took N ms warning in chrome dev and after that application get freezed

On running a setInterval call I am getting this issue. [Violation] 'setInterval' handler took ms In my understanding we get this issue when we write a code inside setInterval which takes more time to ...
5 votes
1 answer
412 views

Why history.js uses setInterval(.., 250)?

From what I understand History.js is a polyfill for HTML5 History/State APIs. Therefore, on modern browsers, it should simply use popstate for listening to URL changes. So, why on latest Chrome I can ...
4 votes
0 answers
389 views

Set Interval is not running in background when using workerTimers

I have developed a countdown timer using setInterval. But, it's getting paused in some cases (When keeping the browser tab or browser window in the background), hence not accurate. So, I used worker-...
4 votes
2 answers
122 views

the api block gets called 2 times, leads in rendering component twice, though conditions are getting checked properly

I am using 3 dynamic variable inside setInterval, in state this.state={ checked: true, currentHash:"some current hash", updating: true } inside componentDidMount, i've done ...
4 votes
3 answers
3k views

Keep the JS/jQuery code working in Safari when the tab is not active

I have a JS/jQuery code as shown below in which in which I want to keep the JS/jQuery code working when the session tab is not active. The following code perfectly fine in Google Chrome but it doesn't ...
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4 votes
0 answers
304 views

Is it appropriate to use setInterval to perform repeated tasks? (NodeJS)

I want to execute a repeated task in every two hours in a Node JS app. Is it efficient to use setInterval(function() {...}, 7200000) to do this or is it suggested to use maybe a module to achieve ...
  • 257
4 votes
0 answers
842 views

React js change State in an instance of map() generated component

Question about React 16 from newbie. React v16. I'm doing map() over tasks. Each task has its own timer component. Parent: render(props) { return ( this.props.tasks.tasks.map((task, id) ...
4 votes
0 answers
2k views

setInterval accuracy in javascript

For fun, I've built a simple simulation of a drum machine in JavaScript. (You can try it at .) I'm wondering if there's anything I can do to improve the accuracy of setInterval(...)....
4 votes
1 answer
3k views

Safari delay setInterval / setTimeout (interval > 1000ms) in background tab

Just notice that Safari 10.0.3 delay my code when the page is in a background tab. var interval = 2000; var scriptTime = new Date().getTime(); function addTime(){ scriptTime += interval; ...
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4 votes
0 answers
2k views

setInterval running slow on Safari

I'm working on an HTML5 canvas-based game, and have hit a bit of a problem in Safari (on Windows). The game runs nicely in Firefox and Chrome, and even IE, but on Safari everything moves really ...
  • 5,315
4 votes
2 answers
5k views

how to replace setInterval by requestAnimationFrame

Here is my situation, I need to speed up the function running time, so setInterval is not a wise choose, right? Since it will cost at least 4ms for each time. So, may I change setInterval function to ...
  • 591
3 votes
0 answers
91 views

React - setInterval() behaving differently on mobile browser

I am perplexed on an issue I am facing. I have developed a MERN app, where one component within the app is displaying data as a chart from my redux store. In order to give some semblance of "...
3 votes
0 answers
427 views

Browser stops making AJAX requests after period of inactivity

I've created an empty HTML page with a simple setInterval() that fires an AJAX call, via window.fetch(), every 30 seconds, indefinitely. In Chrome, however, if I leave my computer for 24 hours and ...
  • 31
3 votes
0 answers
229 views

In setInterval , asynchronous function are getting in queue and making app freezes by memory leak, in javascript

In setInterval , asynchronous function are getting in queue and making app freezes by memory leak, in javascript //Below the function that's i am using. setIntervalsForServices = async ( forkDevice, ...
3 votes
0 answers
343 views

autoselect time from timepicker if current time match with timepicker values, every 5 minutes compare current time with time picker

I am using timepicker jquery plugin and it will show time with interval of 5 minutes, now my requirement is check current time and if current time match with time picker values than timepicker value ...

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Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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