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.<![CDATA[ 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='123.5abc',b='100abc'; 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 B.100.56 C.NaN D.80 11. 以下（）正则表达式符号的描述正确？A.* 等同 {1,} B.+ 等同 {0,} C.? 等同 {0,1} D.\W 等同 [0-9A-Za-z_] 12. 请选择结果为真的表达式为（）。A.typeof null!="object" B.null === undefined C.1 == "01.00" D.NaN == NaN 13. 在 FileReader接口的事件中，当读取、编码blob 数据时触发的为（）。A. loadstart ...</div></div><div class="pre-detail-bottom"><a class="pre-detail-more" href="javascript:;" kes-height="0">查看更多 <i class="icon-lower"></i></a></div></div></div><div class="noticeidtxt"><p>1、当您付费下载文档后，您只拥有了使用权限，并不意味着购买了版权，文档只能用于自身使用，不得用于其他商业用途（如 [转卖]进行直接盈利或[编辑后售卖]进行间接盈利）。<br>2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。<br>3、如文档内容存在违规，或者侵犯商业秘密、侵犯著作权等，请点击“违规举报”。</p></div><div class="noticeidtxt"><p>碎片内容</p></div></div><div class="view-hd"><div class="container"><div class="view-hd-bd"><div class="format"><i class="file-icon icon-pdf"></i></div><h2>完整版HTML5理论试卷三</h2><ul class="operate"><li><a class="btn-vip-download view-down-btn" href="javascript:;" onclick="down.init()" title="下载完整版HTML5理论试卷三"><i class="iconfont icon-xiazai"></i><span>下载文档</span></a></li><li><a id="close-preview" class="btn btn-close" href="javascript:;" title="关闭预览"><i class="iconfont iconclose"></i><span>关闭预览</span></a></li></ul></div></div></div><script>var _preview_param = {
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</script><div class="seo-hidden-text" aria-hidden="true"><p>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</p>
<p>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</p>
<p>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</p>
<p>不要在试卷上乱写乱画，不要在标封区填写无关内容</p>
<p>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</p>
<p>选择正确的答案，将相应的字母填入题内的括号中</p>
<p>满分 65 分）：1</p>
<p>以下不是HTML5的新增的标签是( )</p>
<p>以下不是HTML5新增的 API 是( )</p>
<p>Media API B</p>
<p>Command API C</p>
<p>History API D</p>
<p>Cookie API 3</p>
<p>以下（）结果是正确的</p>
<p>var a=100 ,b="100</p>
<p>5a6", c="100</p>
<p>1"; alert(Math</p>
<p>max(a , b ,c)); A</p>
<p>undefined 4</p>
<p>以下（）语句能正确弹出结果</p>
<p>alert(new Date(2011 , 12 , 25)</p>
<p>getDay()); B</p>
<p>alert(new Date(2011 , 12 , 25 , 5)</p>
<p>getDay()); C</p>
<p>alert(new Date(2011 , 12 , 25 , 5 , 5 , 9)</p>
<p>getDay()); D</p>
<p>以上三个结果都正确5</p>
<p>以下代码正确的运行结果是（）</p>
<p>var arr=[0,1,2,3,4,5,6]; arr2 = arr</p>
<p>slice(2,5); alert(arr2); A</p>
<p>1,2,3 B</p>
<p>1,2,3,4 C</p>
<p>2,3,4 D</p>
<p>2,3,4,5 6</p>
<p>下面哪个描述不正确的是（）</p>
<p>=null B</p>
<p>=undefined C</p>
<p>=false D</p>
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