function alpha () {
this.a = 10
}
// alpha()
// console.log(window)
let obj = {
p: 10,
q: 20,
r: function () {
console.log(this)
alpha()
}
}
obj.r()
console.log(obj.a)
console.log(a)
let x = obj.r;
// x();
let obj2 = {
a: 10,
b: 20,
c: x
}
obj2.c();
i m confused about this?what is this here