📄 跑马灯效果.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML><HEAD><TITLE>洪恩在线 - Javascript实例</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312"><LINK
href="跑马灯效果.files/home.css" rel=stylesheet>
<META content=电脑乐园,电脑,乐园,交互教程,交互,教程,教育,javascript,javascript实例,网页制作
name=keywords><LINK href="跑马灯效果.files/homepage.css" rel=stylesheet>
<SCRIPT language=JavaScript>var msg="欢迎光临 洪恩在线 电脑乐园";var interval = 300;seq = 0;function Scroll() {len = msg.length;window.status = msg.substring(0, seq+1);seq++;if ( seq >= len ) { seq = 0 };window.setTimeout("Scroll();", interval );} </SCRIPT>
<META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff onload=Scroll()>
<SCRIPT language=Javascript src="跑马灯效果.files/head.js"></SCRIPT>
<TABLE height=20 cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR bgColor=#cfdfff>
<TD class=p1 align=left height=20><IMG height=8
src="跑马灯效果.files/blank.gif" width=12><FONT color=#000000><FONT
color=#ff9966>当前位置</FONT>：<A class=under
href="http://www.hongen.com/default.htm">洪恩在线</A> -> <A class=under
href="http://www.hongen.com/pc/index.htm">电脑乐园</A> ->
JavaScript实例</FONT></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR>
<TD vAlign=top width=207><IMG height=13 src="跑马灯效果.files/bule.gif"
width=207></TD>
<TD width=1 bgColor=#a8a8ab><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif" width=1></TD>
<TD align=right width=530 height=22><IMG height=20
src="跑马灯效果.files/js.gif" width=186></TD>
<TD width=22><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif"
width=1></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR>
<TD width=124><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif" width=1></TD>
<TD width=636 background=跑马灯效果.files/line.gif height=27><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif"
width=1></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR>
<TD class=p3 align=middle width=711><B> 跑 马 灯 效 果</B></TD>
<TD class=p2 width=1 bgColor=#a8a8ab><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif" width=1></TD>
<TD class=p2 width=48> </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR>
<TD vAlign=top align=middle> </TD>
<TD> </TD>
<TD align=middle width=28 bgColor=#5f74bf><IMG height=49
src="跑马灯效果.files/bule1.gif" width=28></TD>
<TD align=middle width=37> </TD></TR>
<TR>
<TD vAlign=top align=middle>
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
<TBODY>
<TR align=middle>
<TD>
<TABLE cellSpacing=0 cellPadding=0 width=110 border=0>
<TBODY>
<TR align=middle bgColor=#5f74bf>
<TD class=p1 align=right><B><FONT color=#ffffff>效 果 演
示</FONT></B><FONT color=#ffffff>：</FONT></TD>
<TD class=p1 width=11><IMG height=18
src="跑马灯效果.files/bule2.gif"
width=11></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD>
<TD class=p2 align=left>
<P> </P>
<P><FONT color=#ff6666><B>请看屏幕底下的状态栏！</B></FONT></P>
<P> </P></TD>
<TD align=middle width=28 bgColor=#5f74bf> </TD>
<TD align=middle width=37> </TD></TR>
<TR>
<TD vAlign=top align=middle>
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
<TBODY>
<TR>
<TD height=15> </TD></TR>
<TR align=middle>
<TD>
<TABLE cellSpacing=0 cellPadding=0 width=110 border=0>
<TBODY>
<TR align=middle bgColor=#5f74bf>
<TD class=p1 align=right><B><FONT
color=#ffffff>源代码如下</FONT></B><FONT color=#ffffff>：</FONT></TD>
<TD class=p1 width=11><IMG height=18
src="跑马灯效果.files/bule2.gif"
width=11></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD>
<TD class=p2 vAlign=top width=457><B><BR><BR></B><SPAN class=p1><FONT
color=#6633ff></FONT></SPAN><B><BR></B>
<FORM>
<P><SPAN class=p1><FONT
color=#6633ff>这段程序放在<head>与</head>之间</FONT></SPAN></P>
<P><TEXTAREA onmouseover=this.focus() style="BACKGROUND-COLOR: #d5e9fd" onfocus=this.select() name=textarea rows=10 wrap=VIRTUAL cols=50><SCRIPT Language="JavaScript">
var msg="欢迎光临 洪恩在线 电脑乐园";
var interval = 300;
seq = 0;
function Scroll() {
len = msg.length;
window.status = msg.substring(0, seq+1);
seq++;
if ( seq >= len ) { seq = 0 };
window.setTimeout("Scroll();", interval );
}
</SCRIPT></TEXTAREA> </P>
<P><SPAN class=p1><FONT color=#6633ff>这段程序放在<body
****>正文中</FONT></SPAN></P>
<P><TEXTAREA onmouseover=this.focus() style="BACKGROUND-COLOR: #d5e9fd" onfocus=this.select() name=textarea2 wrap=VIRTUAL cols=50>onload="Scroll()"</TEXTAREA>
</P></FORM><B></B></TD>
<TD align=middle width=28 bgColor=#5f74bf> </TD>
<TD align=middle width=37> </TD></TR>
<TR>
<TD vAlign=bottom align=middle height=36>
<TABLE cellSpacing=0 cellPadding=0 width=238 border=0>
<TBODY>
<TR align=middle>
<TD>
<TABLE cellSpacing=0 cellPadding=0 width=110 border=0>
<TBODY>
<TR align=middle bgColor=#5f74bf>
<TD class=p1 align=right><B><FONT
color=#ffffff>源程序讲解：</FONT></B></TD>
<TD class=p1 width=11><IMG height=18
src="跑马灯效果.files/bule2.gif"
width=11></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD>
<TD class=p2 vAlign=top width=457 height=36> </TD>
<TD align=middle width=28 bgColor=#5f74bf height=36><IMG height=49
src="跑马灯效果.files/bule1.gif" width=28></TD>
<TD align=middle width=37 height=36> </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR>
<TD class=p2 align=right width=693><BR>
<TABLE cellSpacing=0 cellPadding=0 width=650 border=0>
<TBODY>
<TR>
<TD>
<TABLE class=p2 cellSpacing=1 borderColorDark=#666666 cellPadding=1
width="100%" borderColorLight=#666666 border=1>
<TBODY>
<TR>
<TD width=330>var msg="欢迎光临 洪恩在线 电脑乐园" <BR></TD>
<TD width=430>声明一个变量。</TD></TR>
<TR bgColor=#cfdfff>
<TD width=330>var interval = 300;<BR></TD>
<TD width=430>声明一个变量，设置一个时间间隔为300毫秒。</TD></TR>
<TR>
<TD width=330>seq = 0;<BR></TD>
<TD width=430>赋给seq初值为0。</TD></TR>
<TR bgColor=#cfdfff>
<TD width=330>function Scroll()<BR></TD>
<TD width=430>定义一个函数。</TD></TR>
<TR>
<TD width=330>{ len = msg.length;<BR>window.status =
msg.substring(0, seq+1); seq++; <BR></TD>
<TD
width=430>len的值为字符串msg的长度，在状态栏上显示msg的第一到第seq+个字符，seq每次递加。</TD></TR>
<TR bgColor=#cfdfff>
<TD width=330>if ( seq >= len )<BR>{ seq = 0 };<BR></TD>
<TD width=430>当seq的长度大于等于msg的字符长度时，seq=0。</TD></TR>
<TR>
<TD width=330>window.setTimeout("Scroll();", interval ); } </TD>
<TD
width=430>每300毫秒调用一次Scroll函数，即每300毫秒出一个字。</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><BR><BR></TD>
<TD class=p2 width=18> </TD>
<TD class=p2 width=1 bgColor=#a8a8ab><IMG height=1
src="E:\杨勇\Web程序设计课件\Javascript实例\跑马灯效果.files\blank(1).gif" width=1></TD>
<TD class=p2 width=48> </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR bgColor=#5f74bf>
<TD> </TD></TR></TBODY></TABLE>
<P> </P></BODY></HTML>
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