Another reason is because setIntervals stop running if your browser window loses focus, your callbacks will queue up and run once the page has focus again. Or even worse, they will be dropped. See jsfiddle.net/mendesjuan/y3h1n6mk/
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Another reason is because setIntervals stop running if your browser window loses focus, your callbacks will queue up and run once the page has focus again. Or even worse, they will be dropped. See jsfiddle.net/mendesjuan/y3h1n6mk/