Javascript this context undefined greet function

Easy

What will the following code output to the console?

ThisContextFunctionsJavascript

1let obj = {
2  name: 'Alice',
3  age: 25,
4  greet() {
5    return `Hello, my name is ${this.name} and I am ${this.age} years old.`;
6  }
7};
8
9let greetFunc = obj.greet;
10console.log(greetFunc());

What will the following code output to the console?

Hint