Consider the JavaScript Code: var function var alert (this.y); function

Duration: 4 min

Q4751

Consider the JavaScript Code:

var y = "12";
function f() {
    var y = "6";
    alert(this.y);
    function g() { alert(y); }
    g();
}
f();

If M is the number of alert dialog boxes generated by this JavaScript code and D1, D2, …, DM represents the content displayed in each of the M dialog boxes, then:

  1. A.

    M=3; D1 displays “12”; D2 displays “6”; D3 displays “12”

  2. B.

    M=3; D1 displays”6”; D2 displays “12”; D3 displays “6”

  3. C.

    M=2; D1 displays”6”; D2 displays “12”.

  4. D.

    M=2; D1 displays”12”; D2 displays “6”

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