以下哪個(gè)結(jié)果是正確的?() var a=100,b="100.56",c="80"; alert(Math.max(a , b ,c));
A.100 B.100.56 C.NaN D.80
以下代碼,哪個(gè)結(jié)果是正確的?() var a='123.5abc',b='100abc'; alert(parseInt(a)+Number(b));
A.123100abc B.123.5abc100abc C.NaN D.223
A.150undefinedNaN B.NaN C.150undefined D.10050undefinedNaN