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<td bgcolor="#ffff99" width="451">JavaScript教程 - 第二课</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><small><small><br>
</small></small>第十二页：复习</strong> <p><font size="3" face="宋体">现在来复习一下今天所学到的。</font>
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<dt><font size="3" face="宋体">变量</font></dt>
<dd><font size="3" face="宋体">变量值可为数字或字符串。命名变量时它有一些限制和规<br>
律需记住。</font></dd>
<dt> </dt>
<dt><font size="3" face="宋体">语句</font></dt>
<dd><font size="3" face="宋体">语句以半圆括号结束。</font></dd>
<dt><font size="3" face="宋体">字符串</font></dt>
<dd><font size="3" face="宋体">字符串是引号标记中的做法序列，引号可是单引号，也可<br>
是双引号。可用字符串作许多奇妙之事。你可用”＋“来<br>
连接两个字符串。</font></dd>
<dt><tt><font size="3" face="宋体">document.writeln()</font></tt></dt>
<dd><font size="3" face="宋体">可用<tt>document.writeln()</tt>
来写文本和网页中的HTML。</font></dd>
<dt><tt><font size="3" face="宋体">prompt</font></tt></dt>
<dd><font size="3" face="宋体">你可用<tt>prompt</tt>来得到用户的输入反馈。</font></dd>
<dt><font size="3" face="宋体"><tt>if-then-else</tt> </font></dt>
<dd><font size="3" face="宋体">可用<tt>if-then-else</tt>子句使你的JavaScript依不同的用户反<br>
应给予不同的表现。 </font></dd>
<dt><font size="3" face="宋体">链接事件</font></dt>
<dd><font size="3" face="宋体">在一个<tt>href中的onClick</tt>和<tt>onMouseOver</tt>可基于用户反应运<br>
行JavaScript。</font></dd>
<dt><font size="3" face="宋体">图片变换</font></dt>
<dd><font size="3" face="宋体">图片命名后，可用JavaScript改变所显示的图片。</font></dd>
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<p><font size="3" face="宋体">如果你感到你已经全部掌握了上面我们所讲的，那么祝贺你！<br>
还有许多东西要学。下一次，我们要切入JavaScript的心脏: <br>
文件目标模块，我们也将学到如何打开并操作窗口和frames , <br>
并开始建造我们自己的新的浏览器。</font></p>
<p align="left"><font face="宋体" size="3" color="#000000"><strong>JavaScript教程</strong></font><font
color="#FF0000" face="宋体" size="3"><br>
</font><font size="3" face="宋体"><font color="#FF0000">第一页</font>：<a
href="day2_12.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_12.html">第二天课程简介</a><br>
<font color="#FF0000">第二页</font>：<a href="day2_2.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_2.html">变量介绍</a><br>
<font color="#FF0000">第三页</font>：<a href="day2_3.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_3.html">首个变量例子的程序主体</a><br>
<font color="#FF0000">第四页</font>：<a href="day2_4.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_4.html">字符串的魔力</a><br>
<font color="#FF0000">第五页</font>：<a href="day2_5.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_5.html">变量练习</a><br>
<font color="#FF0000">第六页</font>：<a href="day2_6.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_6.html">if-then子句</a><br>
<font color="#FF0000">第七页</font>：<a href="day2_7.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_7.html">if-then语句的例子</a><br>
<font color="#FF0000">第八页</font>：<a href="day2_8.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_8.html">if-then练习</a><br>
<font color="#FF0000">第九页</font>：<a href="day2_9.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_9.html">链结事件</a><br>
<font color="#FF0000">第十页</font>：<a href="day2_10.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_10.html">图片交换</a><br>
<font color="#FF0000">第十一页</font>：<a href="day2_11.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/day2_11.html">练习2</a><br>
<font color="#FF0000">第十二页</font>：复习</font></p>
<p align="left"><font size="3" face="宋体">[<a href="index.html" tppabs="http://www.pchome.net/ch/tur/pstext/teacher/javascript/index.html">第1课</a>][第2课][<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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