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CONTENT="Thau's JavaScript Tutorial: Day 1: Not only does Thau give the JavaScript skinny, but he'll have you writing your first script by the end of the day.">
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<td WIDTH="60%" VALIGN="MIDDLE"><font FACE="宋體" LANG="ZH-CN" SIZE="4" COLOR="#ff0000"></font><b><font
FACE="System,黑體" LANG="ZH-CN" COLOR="#ff0000">第</font><font FACE="宋體"
LANG="ZH-CN" COLOR="#ff0000">6</font><font FACE="System,黑體" LANG="ZH-CN"
COLOR="#ff0000">頁:</font><font FACE="宋體" LANG="ZH-CN" COLOR="#ff0000">JavaScript </font><font
FACE="System,黑體" LANG="ZH-CN" COLOR="#ff0000">文件目標模塊</font><font
FACE="宋體" LANG="ZH-CN" COLOR="#ff0000">(DOM</font></b><font FACE="System,黑體"
LANG="ZH-CN" COLOR="#ff0000">)<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="TOP" BGCOLOR="#ffffff"><!--figure out which page content to display --><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">既然你已經知道如何按你自己的意愿打開窗口,那么現在開始學習怎樣在窗口中操作一些事。在此之前你要學習一下</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2">的文件目標模塊(</font><font FACE="宋體" LANG="ZH-CN"
SIZE="2">DOM</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">),首先,讓我們學一點“目標導向編程”。
</font><font FACE="System,黑體" LANG="ZH-CN"><h2>概述目標導向編程</h2>
</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2"><p>目標導向編程</font><font
SIZE="2"> </font><font FACE="宋體" LANG="ZH-CN" SIZE="2">- </font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">特別是</font><font FACE="宋體"
LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">版本的</font><font
SIZE="2"> </font><font FACE="宋體" LANG="ZH-CN" SIZE="2">- </font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">是比較容易理解的。其主旨是信息依據目標組織。</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2">其優越處之一在于其帶有一內建式目標庫。例如,一個窗口即一個對象。無論何時我提到一個缺省的</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript</font><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2">庫對象,我將使用大寫(</font><font FACE="宋體"
LANG="ZH-CN" SIZE="2">Window</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">)。特定的情況(特定的窗口)將用小寫。</p>
<p>對象都有用以描述它們的屬性。窗口對象的其中一些屬性是它的名字,(即狀態條上的字),窗口文件的</font><font
FACE="宋體" LANG="ZH-CN" SIZE="2">URL</font><font FACE="System,黑體" LANG="ZH-CN"
SIZE="2">,及窗口文件本身。(其中包括單字,圖形及窗口中的超文本鏈接。)</p>
<p>在</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">JavaScript </font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">中缺省的窗口對象為</font><font
SIZE="2"> </font><font FACE="宋體" LANG="ZH-CN" SIZE="2">window.</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">這里你可了解你將如何獲取缺省窗口的屬性。</p>
</font><font FACE="System,黑體" LANG="ZH-CN"><pre>
</font>var the_status = window.status;
</pre>
<font FACE="System,黑體" LANG="ZH-CN" SIZE="2"><p>這是說:找到稱為</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">status</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">屬性,將之調用到變量</font><font
SIZE="2"> </font><font FACE="宋體" LANG="ZH-CN" SIZE="2">the_status</font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="2">中。窗口的</font><font FACE="宋體"
LANG="ZH-CN" SIZE="2">status</font><font FACE="System,黑體" LANG="ZH-CN" SIZE="2">特性包含了狀態條上出現的詞句。你也可事先設置它,像這樣:</p>
</font><pre>
window.status = "I'm monkeying around!";
</pre>
<font FACE="System,黑體" LANG="ZH-CN" SIZE="2"><p>這是一個使用狀態條的<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>
<p><br>
<!-- AUTHOR TAGLINE --> </font></td>
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