Question 11 In the box below, code the necessary jQuery to add the class .myclass to a all

elements of a web document? Question 12 What method should be used to alternatively hide and show and element ? Question 13 When using the method slideDown(), three (3) value can be used to set the speed of the animation. What are the three (3) possible values ? Question 14 What is the purpose of the method appendo? Question 15 The functions remove(), empty() and detach() are use for removing contents. Briefly explain the difference between the three (3) methods. remove Empty detach