> > >

JavaScript MCQs

Which of the following are correct closure functions?

Function foo(x) { Var tmp = 3; Return function (y) { Alert(x + y + (++tmp)); } } Var bar = foo(2); // bar is now a closure. Bar(10)

Function foo(x) { Var tmp = 3; function bar (y) { Alert(x + y + (++tmp)); } Bar(10); } foo(2)

Function foo(x) { Var tmp = 3; function bar (y) { function bar1 (tmp) { Alert(x + y + (++tmp)); } } Bar(10); } foo(2)

Function foo(x) { Var tmp = 3; Return function (y) { Alert(x + y + (++tmp)); x.memb = x.memb ? x.memb + 1 : 1; alert(x.memb); } } Var age = new Number(2); Var bar = foo(age); // bar is now a closure referencing age. Bar(10);

Answer

Correct Answer: Function foo(x) { Var tmp = 3; Return function (y) { Alert(x + y + (++tmp)); } } Var bar = foo(2); // bar is now a closure. Bar(10)

Explanation:

Note: This Question is unanswered, help us to find answer for this one

JavaScript Skill Assessment

Your Skill Level: Poor

Retake Quizzes to improve it