Question

How to count the times a function has been called in JavaScript

Answer 1

let functionCallCounter = 0;

function add(a, b) {
  functionCallCounter += 1;

  return a + b;
}

add(1, 2);

add(3, 4);

add(5, 6);

console.log(functionCallCounter);

  
  
  
  
/*
run:
  
3
  
*/

 

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