var a = new Array(new Array(9,0,3,6,5), new Array(2,9,0,6)); 則a[0][3]=()
A.3 B.6 C.5 D.0
以下代碼正確的運(yùn)行結(jié)果是?() var arr=[0,1,2,3,4,5,6]; arr2 = arr.slice(2,5); alert(arr2);
A.1,2,3 B.1,2,3,4 C.2,3,4 D.2,3,4,5
A. alert(new Date(2011 , 12 , 25).getDay()); B. alert(new Date(2011 , 12 , 25 , 5).getDay()); C. alert(new Date(2011 , 12 , 25 , 5 , 5 , 9).getDay()); D. 以上三個結(jié)果都正確