Count how many times a function has been called

let counter = 0;

const expensiveFunctionToDebug = () => {
    counter++;
    console.log(`This function has been called: ${counter}`);

    // Function body ...
};

const expensiveFunctionToDebug = () => {
    console.count('expensiveFunctionToDebug');

    // Function body ...
};

expensiveFunctionToDebug: 1
expensiveFunctionToDebug: 2
...
expensiveFunctionToDebug: 10