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<title>Webmonkey: javascript: Thau's JavaScript Tutorial: Day 1</title>
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<td WIDTH="60%" VALIGN="MIDDLE"><b><font FACE="System,黑体" LANG="ZH-CN" COLOR="#ff0000">第</font><font
FACE="宋体" LANG="ZH-CN" COLOR="#ff0000">9</font><font FACE="System,黑体" LANG="ZH-CN"
COLOR="#ff0000">页</font><font FACE="宋体" LANG="ZH-CN" COLOR="#ff0000">: </font><font
FACE="System,黑体" LANG="ZH-CN" COLOR="#ff0000">再谈javascriptDOM </font></b><font
FACE="宋体" LANG="ZH-CN"><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="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑体" LANG="ZH-CN"></font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">现在我们已经了解了：</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑体"
LANG="ZH-CN" SIZE="2">包括缺省对象，例如窗<br>
口，对象具有用于描述对象的属性，方法用于描述对象采取行<br>
动的方法。<br>
<br>
对象的属性页可以是对象。举例来说：窗口有一个属性叫做<br>
</font><tt>document</tt><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">，它用于引用到窗口中实际的</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">HTML</font><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">文件。该<br>
</font><tt>document</tt><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">属性本身就是一个对象。在谈到图象掉换（</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">image <br>
swap)</font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">的时候，我们见到过这样的例子。你可以用下列语句作<br>
图象掉换</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">:</font></td>
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<td WIDTH="60%" VALIGN="TOP" BGCOLOR="#ffffff"><pre>
<a href="#" onMouseOver="window.document.the_image.src='button_d.gif';">change</a>
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<td WIDTH="60%" VALIGN="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑体" LANG="ZH-CN"></font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">上述语句的意思是说：找到</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">document</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">属性，找到<br>
</font><tt>the_image</tt><font FACE="System,黑体" LANG="ZH-CN" SIZE="2">的</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">src</font><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">属性并将其设置为图象</font><tt>button_d.gif</tt><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">。这样<br>
写是因为窗口（</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">windows</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">）是对象，窗口内的文件<br>
（</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">documents</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">）是对象，而文件（</font><font
FACE="宋体" LANG="ZH-CN" SIZE="2">document</font><font FACE="System,黑体" LANG="ZH-CN"
SIZE="2">）内的图象<br>
（</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">images</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">）页是对象。<p>看起来似乎很复杂，但它的结构很清楚。</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<br>
对象模块（</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">Document Object Model</font><font
FACE="System,黑体" LANG="ZH-CN" SIZE="2">）描述了对象之间的等级<br>
关系。</p>
<p>在该教程中，我们只看到该等级关系的一部分。使你的网页具<br>
有精彩动感的大多数技巧都涉及到文件对象。文件对象内容非<br>
常丰富，实际上应该专门开一门教程将这个问题。在本课程中，我们将集中谈谈<a
HREF="tppmsgs/msgs0.htm#81">窗口的其它属性</a>。</font><font SIZE="2"> </font></td>
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<td WIDTH="60%" VALIGN="TOP" BGCOLOR="#ffffff"><!-- 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 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><br>
<!-- AUTHOR TAGLINE --> </font></td>
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