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Question

What does the code snippet to the right output by console.log?

Snippet

var bar = 1

function foo() {
  return this.bar++
}

const a = {
  bar: 10,
  foo1: foo,
  foo2: function() {
    return foo()
  },
} 


console.log(a.foo1.call())
console.log(a.foo1())
console.log(a.foo2.call())
console.log(a.foo2())

Source

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