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Two options:
Option 1:
Set a global value in the beginning of your function. For example window.counterStarted
.
But even before you set that value, check if that global value is already set. If so, then don’t start it again.
if(typeof window.counterStarted !== undefined){
return false;
}
window.counterStarted = true;
Option 2:
Define setTimeout
to a global value like window.myTimeout
instead of the local variable t
within the function. Then to clear the previous timeout before the new one starts, use the following in the beginning of your function:
if(typeof window.myTimeout !== undefined){
clearTimeout(window.myTimeout);
}
Source:stackexchange.com