Uncaught ReferenceError, functionName() is not defined error, for way to long. Solution seems easier than I was thinking, so I wrote this short memo to future myself to avoid falling into the same trap again.
The solution is as simple as changing call to anonymous function. Instead of:
Refer to this great explanation. To cite:
(...) when you attempt
setInterval(funcName(), 100), you are actually calling the function and passing its return value to
setInterval, which is incorrect.
The same goes for
setTimeout(). And you have to use this approach (anonymous function), if you need to call any function repeatedly with some parameters.