what should i write in second space >> any method ?

Question

Fill in the blanks to empty the second child element of the element with id="nav".
var e = $("
#nav
").
();
e.eq(
1
).
empty
();

Answer 1

var e = $("#nav").children();
e.eq(1).empty();

Answer 2

var e = $("#nav").children();
e.eq(1).empty();

Answer 3

var e = $("#nav").children();
e.eq(1).empty();

Answer 4

Fill in the blanks to empty the second child element of the element with id="nav".
var e = $("#nav
").children
();
e.eq(1
).empty
();

Answer 5

var e = $("#nav").children();
e.eq(1).empty();

Answer 6

thanks
i tried and solved it by searching
children is a method that to use in :D