chapter1javascript语法基础(lesson1)

chapter1javascript语法基础(lesson1)

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1、JavaScript程序设计第一章JavaScript语法基础Lesson1主讲老师:王涛QQ:164030235回顾HTML-1标签名称说明界定一个完整的HTML文档定义文档的头部设定显示在浏览器左上方的标题内容<BODY>定义文档的主体<FONT>定义文字的字体、字号和颜色<P>定义文本的段落<BR>在文本中插入一个换行<IMG>插入一张图像<HR>插入一条水平分隔线<A>定义超级链接<MARQUEE>实现页面中的滚动文字或图片常用的HTML标签有哪些?请说说表格的基本结构以及跨行、跨列的用法?<TABLEborder="1"><TR><T</p><p>2、Drowspan=“跨的行数”>单元格内容</TD><TDcolspan=“跨的列数”>单元格内容</TD>……</TR>……</TABLE>回顾HTML-2请简述表单的基本结构?常用表单元素有哪些?表单的基本结构:<FORMaction=“http://www.sohu.com”method=“post”>……</FORM>常用的表单元素有:文本框(text)、密码框(password)、单选按钮(radio)、复选框(checkbox)、列表框(<select>和<option>)、按钮(button、submit和reset)、多行文本框(<textarea>)。4样式表有什</p><p>3、么用?添加CSS有哪几种方法?回顾HTML-3如何使用样式表定义统一的字体外观和文本框的细边框样式?统一的字体外观:font-family:“黑体";font-size:18px;color:#FF0000;细边框样式:border-width:1px;border-style:solid;链接:<linkrel=stylesheettype=text/csshref=slstyle.css内部CSS:<styletype="text/css">body{margin-left:}</style>导入CSS:<styletype="text/css">@importslstyle.</p><p>4、css</style>内嵌样式:<tablestyle=color:red;margin-right:220px>指定<DIV>在Z轴方向的顺序号使用哪个属性?z-index:使用层叠顺序可以设置层的先后顺序和覆盖关系,默认1,及最底层5本章目标理解什么是JavaScript如何将JavaScript嵌入到HTML中理解变量、数据类型和运算符掌握if-else和switch语句使用数组使用循环语句控制应用程序创建自定义函数理解JavaScript对象使用String、Math和Date等对象6本节目标理解什么是JavaScript如何将JavaScript嵌入到HTML中理解变量及</p><p>5、其应用能够灵活运用注释解释代码7什么是JavaScriptSwissBankFlorida,USAdollar’11’00’89’778“678900590”$一万元整JenySmissJ.Smiss..10,000/-JenySmissA/cNo.010077瑞士银行Jeny想在银行存钱验证Jeny帐户详细信息余额帐号签名帐户验证完毕8什么是JavaScript同样,JenyJeny想创建一个电子邮件帐户Jeny@hotmail.com***24US帐户Id:密码:年龄:国家:提交提交******请等待,正在创建您的帐户OK提交提交这样,JavaScript将验证数据并给出错误信</p><p>6、息(如有)错误消息密码不能少于六位!9什么是JavaScript类似功能的注册网页QQ注册淘宝注册7k7k游戏注册各种邮箱注册……10什么是JavaScript(What)JavaScript是一种解释型的、基于对象的脚本语言,不用编译产生机器代码,浏览器负责解析JavaScript是一种宽松类型(弱)的语言,即不必显示定义变量的数据类型,但可以进行类型转换JavaScript是动态的,提供用户交互,直接对用户输入做响应JavaScript依赖与浏览器,与操作环境无关系;只要浏览器支持,“一次编程,走遍天下”11JavaScript被数百万计的网页用来改进设计、验证表单、检测浏览器</p><p>7、、创建cookies,以及更多的应用。JavaScript于网络的脚本语言,是因特网上最流行的脚本语言。JavaScript很容易使用!为什么要学JavaScript(Why)12练习上课老师演练的代码。独立完成课后作业上论坛(ex:csdn)讨论代码,找高手“论剑”怎么学习好JavaScript(How)脚本的执行原理JavaScript是客户端(Client)处理软件,不具有将数据传回服务器(Server)的能力,不能访问服务器上的数据,要想在Web浏览器与服务器</p> 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