track-debugging-attempt.js

function track(name) {    
    const dummy = /./;
    dummy.toString = () => {
        alert(`${name} was debugged`);
        return 'tracked';
    };
    return dummy;  
}

function test() {
  const tracked = track('test');
  console.log('hello')
}

debugger;
test() // step in test() and step over to L12