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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,黑體" LANG="ZH-CN" COLOR="#ff0000">第</font><font
FACE="宋體" LANG="ZH-CN" COLOR="#ff0000">9</font><font FACE="System,黑體" LANG="ZH-CN"
COLOR="#ff0000">頁</font><font FACE="宋體" LANG="ZH-CN" COLOR="#ff0000">: </font><font
FACE="System,黑體" LANG="ZH-CN" COLOR="#ff0000">再談javascriptDOM </font></b><font
FACE="宋體" LANG="ZH-CN"><br>
<!-- BYLINE --> </font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">作者：</font><a
HREF="mailto:thau@wired.com"><font FACE="宋體" LANG="ZH-CN" SIZE="2">Thau!</font></a><font
FACE="宋體" LANG="ZH-CN"> <!-- SEE ALSO LINKS --></font></td>
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<td WIDTH="60%" VALIGN="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑體" LANG="ZH-CN"></font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">現在我們已經了解了：</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2">包括缺省對象，例如窗<br>
口，對象具有用于描述對象的屬性，方法用于描述對象采取行<br>
動的方法。<br>
<br>
對象的屬性頁可以是對象。舉例來說：窗口有一個屬性叫做<br>
</font><tt>document</tt><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">，它用于引用到窗口中實際的</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">HTML</font><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">文件。該<br>
</font><tt>document</tt><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">屬性本身就是一個對象。在談到圖象掉換（</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">image <br>
swap)</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">的時候，我們見到過這樣的例子。你可以用下列語句作<br>
圖象掉換</font><font FACE="宋體" 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>
</pre>
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<td WIDTH="60%" VALIGN="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑體" LANG="ZH-CN"></font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">上述語句的意思是說：找到</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">window</font><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">的</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">document</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">屬性，找到<br>
</font><tt>the_image</tt><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">的</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">src</font><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">屬性并將其設置為圖象</font><tt>button_d.gif</tt><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">。這樣<br>
寫是因為窗口（</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">windows</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">）是對象，窗口內的文件<br>
（</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">documents</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">）是對象，而文件（</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">document</font><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">）內的圖象<br>
（</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">images</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">）頁是對象。<p>看起來似乎很復雜，但它的結構很清楚。</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2">的文件<br>
對象模塊（</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">Document Object Model</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">）描述了對象之間的等級<br>
關系。</p>
<p>在該教程中，我們只看到該等級關系的一部分。使你的網頁具<br>
有精彩動感的大多數技巧都涉及到文件對象。文件對象內容非<br>
常豐富，實際上應該專門開一門教程將這個問題。在本課程中，我們將集中談談<a
HREF="tppmsgs/msgs0.htm#81">窗口的其它屬性</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,黑體" LANG="ZH-CN">第</font><font
FACE="宋體" LANG="ZH-CN">1</font><font FACE="System,黑體" LANG="ZH-CN">頁</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">:</font><a HREF="tutorial3_page1.html"><font
FACE="System,黑體" LANG="ZH-CN">第三天課程簡介</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">2</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">:</font><a
HREF="tutorial3_page2.html"><font FACE="System,黑體" LANG="ZH-CN">窗口操作介紹</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">3</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page3.html"><strong><font FACE="System,黑體" LANG="ZH-CN"
COLOR="#0000ff"><u>Javascript</u></font></strong><font FACE="System,黑體" LANG="ZH-CN">中的窗口操作</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">4</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page4.html"><b>JavaScript</b></font><font FACE="System,黑體"
LANG="ZH-CN">中的窗口操作舉例</font></a><font FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">5</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page5.html"><b>Windows </b></font><font FACE="System,黑體" LANG="ZH-CN">特性</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">6</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: <a
HREF="tutorial3_page6.html"><b>JavaScript </b></font><font FACE="System,黑體"
LANG="ZH-CN">文件目標模塊</font></a><font FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">7</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page7.html"><font FACE="System,黑體" LANG="ZH-CN">狀態條的操作</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">8</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page8.html"><font FACE="System,黑體" LANG="ZH-CN">窗口間的交流</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">9</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page9.html"><font FACE="System,黑體" LANG="ZH-CN">再談</font><font
FACE="宋體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">10</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page10.html"><font FACE="System,黑體" LANG="ZH-CN">窗口的其它特性</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">11</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page11.html"><font FACE="System,黑體" LANG="ZH-CN">再談</font> <font
FACE="宋體" LANG="ZH-CN" SIZE="2"><b>Window </b></font><font FACE="System,黑體"
LANG="ZH-CN">及</font><font FACE="宋體" LANG="ZH-CN" SIZE="2"><b>Frame</b></font><font
FACE="System,黑體" LANG="ZH-CN">樹杈結構</font></a><font FACE="System,黑體"
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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">12</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page12.html"><font FACE="System,黑體" LANG="ZH-CN">自己動手操作</font></a><font
FACE="System,黑體" 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,黑體" LANG="ZH-CN">第</font><font FACE="宋體" LANG="ZH-CN">13</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial3_page13.html"><font FACE="System,黑體" LANG="ZH-CN">第三天復習</font></a><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2"><br>
<p><br>
<!-- AUTHOR TAGLINE --> </font></td>
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