Is there any way to stop a running Javascript function from outside of this function?
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Is there any way to stop a running Javascript function from outside of this function?
No. There is no “outside” of a function in JS. Once the running script is “outside” the function the function is completed running.
UPDATE
If there is some condition that could become true while a particular function is running that you would like to cause that function to exit, then you can check for that condition inside the function at regular intervals and exit the function if it is true.