Q.3 a) There are at least 4 errors in the following JavaScript program. Rewrite the corrected code in your answer books with a circle around each of the changes you made. Explain your logic in each case. My_function(my_var) { If (my_var > 1) { alert ("everything is fine"); } Else } For (x=0; x = 3;x++) { alert("the world is gone mad"): } } Switch(my_var) { case 3: some_var=10 break; case 4: alert("Error number 4 returned"); break; }