How to use setInterval efficiently in JavaScript?

The usage of setInterval is NOT going to cause you significant performance issues. If we are calling setInterval too frequently and executing a lot of code inside it, we might have some issues.

It is good to follow some good rules or efficient ways of using it. Following are some effective tips of using setInterval:

  • Pass a function to setInterval, rather than a string.
  • Have as few intervals set as possible.
  • Make the interval durations as long as possible.
  • Have the code running each time as short and simple as possible.