web worker是运行在后台的JavaScript,独立于其他脚本,不会影响页面的性能,不能嵌套子线程。
web worker是运行在后台的JavaScript,独立于其他脚本,不会影响页面的性能,不能嵌套子线程。
相关考题:
以下关于web worker的说法,不正确的是( ) A.webworker是运行在后台的JavaScript程序B.webworker会影响页面的性能C.如需终止webworker,并释放浏览器/计算机资源,可以使用terminate()方法D.由于webworker位于外部文件中,无法访问window、document对象
以下关于Javascript的说法中正确的是( ) A.Jquery是区别于Javascript的另一种Web脚本语言B.JavaScript与Jquery不可以混合使用C.Javascript可以以*.js的形式放在单独的文件中D.使用Jquery方法时可以不用引入Jquery库文件
以下哪项不属于Javascript的特征?()A、Javascript是一种脚本语言B、Javascript是事件驱动的C、Javascript代码需要编译以后才能执行D、Javascript是独立于平台的
以下关于JavaScript的说法,哪一个是正确的()。A、JavaScript语言是基于Java语言的一种实现B、在JavaScript中声明变量时必须明确声明变量的数据类型C、JavaScript是一种解释性语言,不用编译就可以运行D、JavaScript脚本只能在专门的编辑器中编写
有关Asp代码和JavaScript的正确描述是()A、两者都能够在Web浏览器上运行B、Asp代码在服务器端执行,JavaScript在客户端执行C、Javascript在服务器执行,Asp代码在客户端执行D、都不对
以下对JavaScript描述中()是正确的。A、JavaScript就是JavaB、JavaScript代码只能在Windows操作系统下运行C、JavaScript源代码必须编译后方能运行D、JavaScript嵌入在HTML超文本中,是Web页的一部分,由浏览器解释执行
以下关于JavaScript的正确说法是?()A、存放JavaScript代码的是扩展名为js的文件B、存放JavaScript代码的是扩展名为css的文件C、网页中的JavaScript代码可以自己运行D、网页中的JavaScript代码必须用事件触发,无法自动运行
You are designing a Windows Azure application. The application includes two web roles and three instances of a worker role. The web roles will send requests to the worker role through one or more Windows Azure Queues. You have the following requirements: - Ensure that each request is processed exactly one time. - Minimize the idle time of each worker role instance. - Maximize the reliability of request processing. You need to recommend a queue design for sending requests to the worker role. What should you recommend?()A、 Create a single queue. Send requests on the single queue.B、 Create a queue for each web role. Send requests on all queues at the same time.C、 Create a queue for each workerrole instance. Send requests on each worker queue in a round robin.D、 Create a queue for each combination of web roles and worker role instances. Send requests to all worker role instances based on the sending web role.
关于JavaScript说法正确的是()。A、JavaScript与Java语法完全一样B、JavaScript要运行必须安装Java运行环境C、JavaScript一般用于在网页上实现数据验证及特效等D、JavaScript可用于开发Windows应用程序
单选题To take advantage of the capabilities of modern browsers that use web standards, such as XHTML andCSS, your web application is being converted from simple JSP pages to JSP Document format. However,one of your JSPs, /scripts/screenFunctions.jsp, generates a JavaScript file. This file is included in severalweb forms to create screen-specific validation functions and are included in these pages with the followingstatement: 10. 11. 14. 15. Which JSP code snippet declares that this JSP Document is a JavaScript file?()A%@ page contentType=’application/javascript’ %Bjsp:page contentType='application/javascript' /Cjsp:document contentType='application/javascript' /Djsp:directive.page contentType='application/javascript' /ENo declaration is needed because the web form XHTML page already declares the MIME type of the /scripts/screenFunctions.jsp file in the script tag. tag.
单选题以下对JavaScript描述中()是正确的。AJavaScript就是JavaBJavaScript代码只能在Windows操作系统下运行CJavaScript源代码必须编译后方能运行DJavaScript嵌入在HTML超文本中,是Web页的一部分,由浏览器解释执行
单选题有关Asp代码和JavaScript的正确描述是()A两者都能够在Web浏览器上运行BAsp代码在服务器端执行,JavaScript在客户端执行CJavascript在服务器执行,Asp代码在客户端执行D都不对