All `this` variations

this.js

// GLOBAL
console.log(this); //--> window

// FUNCTION
function discoverThis() {
  console.log(this); //--> window
}
discoverThis();

// OBJECT
const obj = {
  name: "This",
  discoverThis: function () {
    console.log(this); //--> object
  },
  discoverThis2: () => {
    console.log(this); //--> window
  },
  discoverThis3: function () {
    return function () {
      console.log(this); //--> window
    };
  },
  discoverThis4: function () {
    return () => {
      console.log(this); //--> object
    };
  },
  discoverThis5: () => {
    return function () {
      // both arrow and function keyword
      console.log(this); //--> window
    };
  },
  discoverThis6: function () {
    function tellThis() {
      console.log(this); //--> window
    }
    tellThis();
  },
};
obj.discoverThis();
obj.discoverThis6();

// ARROW FUNCTION
const discoverThis = () => {
  console.log(this); //--> window
};
discoverThis();

// CLOSURE
function discoverThis() {
  return () => {
    // both arrow and function keyword
    console.log(this); //--> window
  };
}
discoverThis()();

// IIFE
(() => {
  // both arrow and function keyword
  console.log(this); //--> window
})();

Open for Suggestions and improvements :)