Test Status
      (A) Returns false if the argument is not a number.
      (B) Returns true if the argument is not a number.
      (C) Returns true if the argument is a number.
      (D) None of the above
      (A) parent()
      (B) parents()
      (C) ancestor()
      (D) ancestors()
      (A) "array", "object"
      (B) "object", "array"
      (C) "array", "array"
      (D) "object", "object"
      (A) It binds the functions you pass as parameters, to the mouseenter and mouseleave events.
      (B) Converts the element upon which it was called, into a hoverable menu.
      (A) for, foreach
      (B) foreach, while
      (C) do-while, foreach
      (D) for, while, do-while
      (A) Pathname
      (B) Protocol
      (C) Defaultstatus
      (D) Host
      (A) Semicolon, colon
      (B) Semicolon, Ampersand
      (C) Ampersand, colon
      (D) Ampersand, semicolon
      (A) value()
      (B) formData()
      (C) val()
      (D) None of the above
      (A) The methods are basically the same. The only difference is that .width() returns a number, whereas outerWidth() a string.
      (B) width() returns the computed width of the element, while outerWidth() returns the width plus all the margins and paddings.
      (C) No difference. width() is a shorthand alias for outerWidth()
      (A) var obj = {};
      (B) var obj = new Object();
      (C) var obj = Object.create()
      (D) All of the above
      (A) eventBind
      (B) bind
      (C) attach
      (D) eventAttach
      (A) named function
      (B) anonymous function
      (C) Both of the above.
      (D) None of the above.
      (A) visible(false)
      (B) hidden()
      (C) display(none)
      (D) hide()