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1、18秋北理工《脚本程序设计》在线作业-21、D2、B3、B4、B5、C一、单选题共20题，40分1、location对象中用来表示了完整的URL地址的属性是（）。AhashBhostnameCpathnameDhref正确答案是：D2、标记应用于下列哪组标记之间（）。A…B…C…D…</title正确答案是：B3、在以下选项中，函数定义时可以省略的部分是（）。A函数名B函数参数C函数体D表示函数的圆括号正确答案是：B4、password对象的（）属性表</p><p>2、示password中的默认值。AnameBdefaultValueCtypeDvalue正确答案是：B5、在JavaScript语言中，event对象用于描述一个JavaScript程序中的（）。A对象B程序C事件D以上选项均错正确答案是：C6、语句for(i=1;j<=10;i=i+3)for(j=2;j<6;j++){...}的循环次数是（）。A16B18C14D12正确答案是：A7、写“HelloWorld”的正确javascript语法是（）。Adocument.write("HelloWorld")B"HelloWorld"Cresponse.</p><p>3、write("HelloWorld")D("HelloWorld")正确答案是：A8、在以下选项中，可正确表示字符串长度的属性引用是（）。Astr.lengthBstr->lengthCstr-lengthDstr>length正确答案是：A9、设”vara=10;”，则执行完语句”a*=5;”后，a的值是（）。A12B50C15D28正确答案是：B10、JavaScript语言程序文件的扩展名是（）。AjavaBscriptCjsDPrg正确答案是：C11、在以下选项中，不属于JavaScript语言特点的是（）。A基于对象B跨平台C编译执行D脚本语言</p><p>4、正确答案是：C12、赋值运算符的作用是什么？A给一个变量赋新值B给一个变量赋予一个新名C执行比较运算D没有任何用处正确答案是：A13、下列弹出信息提示的语句是（）。Awindow.alertBwindow.closeCdocument.alertDdocument.open正确答案是：A14、javascript程序中不是三大程序结构的是（）。A表达式B顺序结构C条件分支结构D循环结构正确答案是：A15、Cookie的（）属性用来指定Cookie的过期时间。ANameBValueCExpiresDsecure正确答案是：C16、下面（）对象代表浏览器窗口</p><p>5、中加载的当前文档的URL。AwindowBdocumentClocationDhistory正确答案是：C17、设”varvarc=2008;”，则执行完语句document.write(typeof(d));后，输出结果是（）。AnumberBstringCobjectDundefined正确答案是：D18、AJAX中的A代表（）。A高级B异步性C应用D同步性正确答案是：B19、在JavaScript语言中，onChange事件不是（）对象上的事件。ASelectBdocumnetCTextDTextarea正确答案是：B20、下面哪一个不是浮点数（）</p><p>6、。A-439.35B3.17C10D-7e11正确答案是：C二、判断题共20题，40分1、continue语句的作用是终止当次循环，跳转到循环的开始处继续下一轮循环。（）A错误B正确正确答案是：B2、JavaScript是一种解释型脚本语言。（）A错误B正确正确答案是：B3、fileUpload对象代表HTML表单中用于文件上传的输入元素，包含一个文本框。A错误B正确正确答案是：A4、CSS的GLOW滤镜能产生24种动态效果。（）A错误B正确正确答案是：A5、删除Cookie即把存储在客户端硬盘中的Cookie文件直接删除。（）A错误B正确正确答案是：A</p><p>7、6、throw语句抛出一个异常，并对该异常进行处理。（）A错误B正确正确答案是：A7、Cookie是一小段文本，用于存储与某个特定网页或网站相关的信息，但不与某个特定网站关联在一起。（）A错误B正确正确答案是：A8、while循环语句中循环体至少执行一次。（）A错误B正确正确答案是：A9、在定义JavaScript变量时，一定要指出变量名和值。（）A错误B正确正确答案是：A10、表达式的类型只取决于运算符，与操作数无关。（）A错误B正确正确答案是：A11、location对象用来记录浏览器窗口中加载的文档的URL历史记录。（）A错误B正确正确答案是：A1</p><p>8、2、CSS的RevealTrans滤镜是发光滤镜。（）A错误B正确正确答案是：A</p> </div>
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