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<title>Webmonkey: javascript: Thau's JavaScript Tutorial: Day 1</title>
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<td WIDTH="60%" VALIGN="MIDDLE"><font FACE="宋体" LANG="ZH-CN" SIZE="4" COLOR="#ff0000"></font><b><font
FACE="System,黑体" LANG="ZH-CN" COLOR="#ff0000">第</font><font FACE="宋体"
LANG="ZH-CN" COLOR="#ff0000">6</font><font FACE="System,黑体" LANG="ZH-CN"
COLOR="#ff0000">页:</font><font FACE="宋体" LANG="ZH-CN" COLOR="#ff0000">JavaScript </font><font
FACE="System,黑体" LANG="ZH-CN" COLOR="#ff0000">文件目标模块</font><font
FACE="宋体" LANG="ZH-CN" COLOR="#ff0000">(DOM</font></b><font FACE="System,黑体"
LANG="ZH-CN" COLOR="#ff0000">)<br>
<!-- BYLINE --> </font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">作者:</font><a
HREF="mailto:thau@wired.com"><font FACE="宋体" LANG="ZH-CN" SIZE="2">Thau!</font></a><font
FACE="宋体" LANG="ZH-CN"> <!-- SEE ALSO LINKS --></font></td>
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<td WIDTH="60%" VALIGN="TOP" BGCOLOR="#ffffff"><!--figure out which page content to display --><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">既然你已经知道如何按你自己的意愿打开窗口,那么现在开始学习怎样在窗口中操作一些事。在此之前你要学习一下</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑体"
LANG="ZH-CN" SIZE="2">的文件目标模块(</font><font FACE="宋体" LANG="ZH-CN"
SIZE="2">DOM</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">),首先,让我们学一点“目标导向编程”。
</font><font FACE="System,黑体" LANG="ZH-CN"><h2>概述目标导向编程</h2>
</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><p>目标导向编程</font><font
SIZE="2"> </font><font FACE="宋体" LANG="ZH-CN" SIZE="2">- </font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">特别是</font><font FACE="宋体"
LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">版本的</font><font
SIZE="2"> </font><font FACE="宋体" LANG="ZH-CN" SIZE="2">- </font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">是比较容易理解的。其主旨是信息依据目标组织。</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑体"
LANG="ZH-CN" SIZE="2">其优越处之一在于其带有一内建式目标库。例如,一个窗口即一个对象。无论何时我提到一个缺省的</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑体"
LANG="ZH-CN" SIZE="2">库对象,我将使用大写(</font><font FACE="宋体"
LANG="ZH-CN" SIZE="2">Window</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">)。特定的情况(特定的窗口)将用小写。</p>
<p>对象都有用以描述它们的属性。窗口对象的其中一些属性是它的名字,(即状态条上的字),窗口文件的</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">URL</font><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">,及窗口文件本身。(其中包括单字,图形及窗口中的超文本链接。)</p>
<p>在</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">JavaScript </font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">中缺省的窗口对象为</font><font
SIZE="2"> </font><font FACE="宋体" LANG="ZH-CN" SIZE="2">window.</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">这里你可了解你将如何获取缺省窗口的属性。</p>
</font><font FACE="System,黑体" LANG="ZH-CN"><pre>
</font>var the_status = window.status;
</pre>
<font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><p>这是说:找到称为</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">window </font><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">的</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">status</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">属性,将之调用到变量</font><font
SIZE="2"> </font><font FACE="宋体" LANG="ZH-CN" SIZE="2">the_status</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">中。窗口的</font><font FACE="宋体"
LANG="ZH-CN" SIZE="2">status</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">特性包含了状态条上出现的词句。你也可事先设置它,像这样:</p>
</font><pre>
window.status = "I'm monkeying around!";
</pre>
<font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><p>这是一个使用状态条的<a
HREF="tutorial3_page7.html">例子</a>。</p>
<p><!-- PAGE X LINKS --><!-- this stuff checks if there are more pages in this story. if so, we'll
suck out the titles of those pages and build links. Right now, the maximum is 15 pages. --></font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体"
LANG="ZH-CN">1</font><font FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体"
LANG="ZH-CN" SIZE="2">:</font><a HREF="tutorial3_page1.html"><font FACE="System,黑体"
LANG="ZH-CN">第三天课程简介</font></a><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">2</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">:</font><a
HREF="tutorial3_page2.html"><font FACE="System,黑体" LANG="ZH-CN">窗口操作介绍</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">3</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page3.html"><strong><font FACE="System,黑体" LANG="ZH-CN"
COLOR="#0000ff"><u>Javascript</u></font></strong><font FACE="System,黑体" LANG="ZH-CN">中的窗口操作</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">4</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page4.html"><b>JavaScript</b></font><font FACE="System,黑体"
LANG="ZH-CN">中的窗口操作举例</font></a><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">5</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page5.html"><b>Windows </b></font><font FACE="System,黑体" LANG="ZH-CN">特性</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">6</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page6.html"><b>JavaScript </b></font><font FACE="System,黑体"
LANG="ZH-CN">文件目标模块</font></a><font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">7</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page7.html"><font FACE="System,黑体" LANG="ZH-CN">状态条的操作</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">8</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page8.html"><font FACE="System,黑体" LANG="ZH-CN">窗口间的交流</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">9</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page9.html"><font FACE="System,黑体" LANG="ZH-CN">再谈</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2"><b>JavaScript DOM</b></a><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">10</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page10.html"><font FACE="System,黑体" LANG="ZH-CN">窗口的其它特性</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">11</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page11.html"><font FACE="System,黑体" LANG="ZH-CN">再谈</font> <font
FACE="宋体" LANG="ZH-CN" SIZE="2"><b>Window </b></font><font FACE="System,黑体"
LANG="ZH-CN">及</font><font FACE="宋体" LANG="ZH-CN" SIZE="2"><b>Frame</b></font><font
FACE="System,黑体" LANG="ZH-CN">树杈结构</font></a><font FACE="System,黑体"
LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">12</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page12.html"><font FACE="System,黑体" LANG="ZH-CN">自己动手操作</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... --> </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">13</font><font
FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page13.html"><font FACE="System,黑体" LANG="ZH-CN">第三天复习</font></a><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
</p>
<p><br>
<!-- AUTHOR TAGLINE --> </font></td>
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