?? tutorial4_page6.htm
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<title>Webmonkey: javascript: Thau's JavaScript Tutorial: Day 1</title>
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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="58%" VALIGN="MIDDLE"><font FACE="宋體" LANG="ZH-CN" SIZE="4" COLOR="#ff0000"></font><font
FACE="System,黑體" LANG="ZH-CN" SIZE="4" COLOR="#ff0000"><b>第6頁：嵌套循環</b></font><font
FACE="System,黑體" 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="58%" VALIGN="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑體" LANG="ZH-CN"><hr>
<p>這是程序：</font></td>
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<tr>
<td WIDTH="58%" VALIGN="TOP" BGCOLOR="#ffffff"><pre>
var height = prompt("How high do you
want the grid? (1-10 is good)","10");
var width= prompt("How wide do you want
the grid? (1-10 is good)","10");
var a_line;
var new_window =
window.open("/webmonkey/98/04/files1a
/grid.html","looper","width=400,height=400");
new_window.document.writeln("<h1>A Grid</h1>");
for (height_loop = 0; height_loop
< height; height_loop++)
{
a_line = "";
for (width_loop = 0;
width_loop < width; width_loop++)
{
a_line+="x";
}
new_window.document.writeln
(a_line + "<br>");
}
</pre>
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<td WIDTH="58%" VALIGN="MIDDLE" BGCOLOR="#ffffff"><font FACE="System,黑體" LANG="ZH-CN"><p
ALIGN="JUSTIFY">在請求高及寬后，打開一新窗口，并為它寫一個頭，進入</font><font
FACE="宋體" LANG="ZH-CN">for</font><font FACE="System,黑體" LANG="ZH-CN">循環。第一個</font><font
FACE="宋體" LANG="ZH-CN">for</font><font FACE="System,黑體" LANG="ZH-CN">循環設</font><font
FACE="宋體" LANG="ZH-CN">a_line=</font><font FACE="System,黑體" LANG="ZH-CN">“”。試一下不用該行做一下本例，看看會發生什么。在初始化</font><font
FACE="宋體" LANG="ZH-CN">a_line</font><font FACE="System,黑體" LANG="ZH-CN">后，程序進入下一個</font><font
FACE="宋體" LANG="ZH-CN">for</font><font FACE="System,黑體" LANG="ZH-CN">循環，當寬達到所需值后，建立</font><font
FACE="宋體" LANG="ZH-CN">X`S</font><font FACE="System,黑體" LANG="ZH-CN">行并將它顯現在新窗口中。這些將發生</font><font
FACE="宋體" LANG="ZH-CN">height</font><font FACE="System,黑體" LANG="ZH-CN">次。</p>
<p ALIGN="JUSTIFY">好，現在你的任務：看一下這個<a HREF="tutorial4_page7.htm">循環練習</a>并親自試著在看源碼前寫一個。</font></td>
</tr>
<tr>
<td WIDTH="58%" VALIGN="TOP" BGCOLOR="#ffffff"><!-- 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. --><!-- 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... --> <!-- 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 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="tutorial4.htm"><font
FACE="System,黑體" LANG="ZH-CN">第四課介紹</font></a><font FACE="System,黑體"
LANG="ZH-CN" SIZE="2"><br>
<!-- 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. --><!-- 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="tutorial4_page2.htm"><font FACE="System,黑體" LANG="ZH-CN">循環介紹</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="tutorial4_page3.htm"><font FACE="System,黑體" LANG="ZH-CN">循環的密碼</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">: </font><a
HREF="tutorial4_page4.htm"><font FACE="System,黑體" LANG="ZH-CN">再談</font><font
FACE="宋體" LANG="ZH-CN">WHILE</font><font FACE="System,黑體" LANG="ZH-CN">循環</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">: </font><a
HREF="tutorial4_page5.htm"><font FACE="宋體" LANG="ZH-CN">For </font><font
FACE="System,黑體" LANG="ZH-CN">循環</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">: </font><a
HREF="tutorial4_page6.htm"><font FACE="System,黑體" LANG="ZH-CN">嵌套循環</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="tutorial4_page7.htm"><font FACE="System,黑體" LANG="ZH-CN">循環練習</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="tutorial4_page8.htm"><font FACE="System,黑體" LANG="ZH-CN">數組</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="tutorial4_page9.htm"><font FACE="System,黑體" LANG="ZH-CN">數組和循環</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">10</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">:</font><a
HREF="tutorial4_page10.html"><font FACE="System,黑體" LANG="ZH-CN">文件目標模塊中的數組</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="tutorial4_page11.htm"><font FACE="System,黑體" LANG="ZH-CN">函數</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="tutorial4_page12.html"><font FACE="System,黑體" LANG="ZH-CN">無參數函數</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="tutorial4_page13.htm"><font FACE="System,黑體" LANG="ZH-CN">參數及返回值</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">14</font><font
FACE="System,黑體" LANG="ZH-CN">頁</font><font FACE="宋體" LANG="ZH-CN" SIZE="2">: </font><a
HREF="tutorial4_page14.htm"><font FACE="System,黑體" LANG="ZH-CN">多于一個參數的函數</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="宋體" LANG="ZH-CN" SIZE="2"><p><br>
<!-- AUTHOR TAGLINE --> </font></td>
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