A. open.new("http://www.w3school.com.cn","window2")
B. new.window("http://www.w3school.com.cn","window2")
C. new("http://www.w3school.com.cn","window2")
D. window.open("http://www.w3school.com.cn","window2")
A. Math.ceil(2,4)
B. Math.max(2,4)
C. ceil(2,4)
D. top(2,4)