let counter = 0;

console.log(++counter, "[solto] this", this);

​

function MyFunction() {

  console.log(++counter, "[function] this", this);

}

MyFunction();

new MyFunction();

​

const MyArrowFunction = () => {

  console.log(++counter, "[arrow_function] this", this);

}

MyArrowFunction();

​

const myCustomObject = {

  MyFunction,

  MyArrowFunction,

};

myCustomObject.MyFunction();

myCustomObject.MyArrowFunction();