Which value is returned by last Index Of () method if search is not successful?
a) 0
b) -1
c) undefined
d) code 3
Which of the following is true concerning a history method?
a) user can read web history
b) user can move to any item
c) user should be worried
d) user needs to be worried
Which of the following is history.go(-1) method?
a) same thing as history forward
b) same as history backward
c) goes bottom page on the list
d) goes to top page on list
When a user select cancel button, which of the following occurs?
a) confirm method return false
b) confirm method return true
c) alert method return false
d) alert method return true
Which of the following is valid method for initialization of a string object?
a) Var student=” Jane Kwok”
b) student=new String (“Jane Kwok”)
c) Var student =new String (“Jane Kwok”)
d) Var student =new Student (“Jane Kwok”)
In String “turtle”, the index of U is…….
a) 1
b) 2
c) 3
d) 4
