https://www.codecademy.com/resources/docs/javascript/window/clearInterval
JavaScript | window | clearInterval() | Codecademy
Cancels a timer previously established by setInterval().
javascriptwindowclearintervalcodecademy
https://developer.mozilla.org/en-US/docs/Web/API/Window/clearInterval
Window: clearInterval() method - Web APIs | MDN
The clearInterval() method of the Window interface cancels a timed, repeating action which was previously established by a call to setInterval(). If the...
web apiswindowclearintervalmethodmdn
https://lists.w3.org/Archives/Public/public-html-bugzilla/2010Aug/0862.html
[Bug 10006] clearTimeout/clearInterval are not clear what the behaviour should be if handle is not...