How to call fuction everytime with new value?

Question

I want to call a fuction everytime with new input values but it runs with first time assigned value

Answer 1

Could you pls give your code.

Answer 2

It would easier to help with that.

Answer 3

For example the call can looks as follows:
let aValue = 0;
while(true) {aValue = anyValueFunction(); yourFunction(aValue);}