javascript - this

this.js

/*
What will be the output of the following code?
*/

function foo() {
  console.log(this);
}

const obj = {
  foo: function () {
    console.log(this);
  }
};

class MyObject {
  foo() {
    console.log(this);
  }
}

// 1
foo();

// 2
obj.foo();

// 3
const myObj = new MyObject();
myObj.foo();

// 4
const func = obj.foo;
func();