js interview questions: event loop, interview, es6-ZHEST'

interview.es6

// event loop
console.log(1);
setTimeout(() => console.log(2), 0);
console.log(3);

// closure
for (var i = 0; i < 3;	i++) {
  setTimeout(() => console.log(i), 0)
}


// es6-ZHEST'
class Test {
  test() {

    const a = () => console.log(this)
    const b = function () { console.log(this) }

    const A = { a, b }
    const c = A.a
    const d = A.b

    a()
    b()
    A.a()
    A.b()
    c()
    d()
  }
}

(new Test).test()

//(new Test).test.call()