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<title>JavaScript教程</title>
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<td bgcolor="#ffff99" width="451">JavaScript教程 - 第一课</td>
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<td bgcolor="#FF6600" width="451"><a href="mailto:thau@wired.com">Thau</a></td>
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<td width="458" valign="top" align="left"><strong><font size="1"><br>
</font><font size="3">第三页：实际应用</font></strong> <p><font size="3"
face="宋体">你已经观摩了一个例子，若你看了源码，你会理解怎么作的。</font></p>
<p><font size="3" face="宋体">这里是应注意的关键事情：</font></p>
<p><font size="3" face="宋体">JavaScript通常出现在 <tt></title></tt>标签及<tt></head></tt>标签间。</font></p>
<blockquote>
<p><font size="3" face="宋体">如同HTML，JavaScript是一些可用字处理软件浏览<br>
的文本，它在描述页面的HTML相关区域出现。（尽<br>
管我们仅看了JavaScript出现在HTML页的头区，它<br>
在主体中也可存在。下一课的例子中将可看到。</font></p>
</blockquote>
<p><font size="3" face="宋体">JavaScript以</font><font color="#008080" size="3"
face="宋体"><script language="JavaScript"></font><font size="3"
face="宋体">开始。</font> <dl>
<dd><font size="3" face="宋体">现在你并非真的非写入<tt>language="JavaScript"，因<br>
为JavaScript是所有浏览器的缺省选项。但有时也有例<br>
外。若不嫌麻烦的话加上不妨。</tt></font></dd>
</dl>
<p><font size="3" face="宋体">在//间的是可被忽略的注释。</font> <dl>
<dt><font size="3" face="宋体">注释！注释！！注释！！！这是一个好的编程习惯，它使其他<br>
人可以读懂你的语言，他可是你的朋友，你的同事，或是三个<br>
月前的你。要使三个月前的你仍读懂你的语言，请在大段文本<br>
前在/* */间加注释，就象这样：</font></dt>
<dd><ul>
<li><font size="3" face="宋体"><tt>/* this is <br>
a huge block<br>
of text that I've <br>
commented out */</tt></font></li>
</ul>
</dd>
<dd><font size="3" face="宋体"><tt>alert("better, stronger, faster") - </tt>唤起一简单的对<br>
话框，其中出现"better, stronger,faster" 字样。</font></dd>
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<p><font size="3" face="宋体">这是你的第一个<tt>Javascript：“唤起”方式。</tt></font>
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<dd><font size="3" face="宋体">下一课中你将了解更多。到现在为止，你只需要知道须用<br>
一半括号结束，并将"alert"文本放在引号之间</font></dd>
<dt> </dt>
<dt><font size="3" face="宋体">JavaScripts 以 <tt></script></tt> 标签结束。</font></dt>
<dd><font size="3" face="宋体">看！这就跟HTML一样简单。</font></dd>
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<p><font size="3" face="宋体">简单？是的。 对了 ... 实际上, 有一个 <a
href="day1_4.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day1_4.html">复杂之处</a>。</font></p>
<p><a href="day1_4.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day1_4.html"><font size="3" face="宋体">>></font></a></p>
<p><font face="宋体"><font size="3"><strong><font color="#000000">JavaScript教程</font></strong><font
color="#FF0000"><br>
第一页：</font><a href="index.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/index.html">Javascript</font>教程</a></font><font size="2"><br>
</font><font size="3"><font color="#FF0000">第二页：</font><a href="day1_3.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day1_3.html">课程简介</a></font><font
size="2"><br>
</font><font size="3"><font color="#FF0000">第三页：</font>实际应用</font><font
size="2"><br>
</font><font size="3"><font color="#FF0000">第四页：</font><a href="day1_4.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day1_4.html">隐藏<font
face="宋体">JavaScript</font></a></font><font size="2" face="宋体"><br>
</font><font face="宋体" color="#FF0000">第五页：</font><a href="day1_5.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day1_5.html"><font
size="3">第一天复习</font></a></p>
<p><font face="宋体" size="3">[第1课][<a href="day2_1.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_1.html">第2课</a>][<a
href="day3_1.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day3_1.html">第3课</a>][<a href="day4_1.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day4_1.html">第4课</a>][<a href="day5_1.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day5_1.html">第5课</a>]</font></p>
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