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HTML5 工程师第一 页 共 五 页HTML5工程师培训知识试卷(三)注意事项1. 请首先按要求在试卷的标封处填写您的姓名、考号和身份证号。2. 请仔细阅读各种题目的回答要求,在规定的位置填写您的答案。3. 不要在试卷上乱写乱画,不要在标封区填写无关内容。01 第一部分第二部分第三部分第四部分总分总 分 人得分一、单选题(第 1~65 题。选择正确的答案,将相应的字母填入题内的括号中。每题1分。满分 65 分):1. 以下不是HTML5的新增的标签是( )。A. B. C.<command> D.<dialog> 2. 以下不是HTML5新增的 API 是( )。A.Media API B.Command API C.History API D.Cookie API 3. 以下()结果是正确的?var a=100 ,b="100.5a6", c="100.1"; alert(Math.max(a , b ,c)); A.100 B.100.1 C.NaN D.undefined 4. 以下()语句能正确弹出结果。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. 以上三个结果都正确5. 以下代码正确的运行结果是()。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 6. 下面哪个描述不正确的是()。A.NaN!=null B.null!=undefined C.{}!=false D.null!=false 7.var a = new Array(new Array(9,0,3,6,5), new Array(2,9,0,6));则 a[0][3]=()。A.3 B.6 C.5 D.0 8. 有一个变量var a=(100+50)+undefined+NaN,以下()是 alert(a)的结果?A.150undefinedNaN B.NaN C.150undefined D.10050undefinedNaN 9. 以下代码,()结果是正确的?var a=&#039;123.5abc&#039;,b=&#039;100abc&#039;; alert(parseInt(a)+Number(b)); A.123100abc B.123.5abc100abc C.NaN D. 223 10. 以下()结果是正确的?var a=100,b="100.56",c="80"; alert(Math.max(a , b ,c)); A.100 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