⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 6scoll.htm

📁 JavaScript实例
💻 HTM
字号:
🔍 
<html>
<head>
<title>洪恩在线 - Javascript实例</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../homepage.css">
<SCRIPT LANGUAGE="JAVASCRIPT">
<!--hiding
var position = 0;
var timeoutid=null; 
function scrollhtml() {
if (position < 400 ){
position++;
scroll(0,position);
clearTimeout(timeoutid);
timeoutid = setTimeout("scrollhtml()",100); }
else{
clearTimeout(timeoutid);
scroll(0,0);
}}
//end of hiding-->
</script>
</head>

<body bgcolor="#FFFFFF" ><script language="Javascript" src="/pub/js/head.js"></script>
<table width="760" height="20" border=0 cellspacing="0" cellpadding="0" align="center">
  <tr bgcolor="CFDFFF"> 
    <td height=20 class="p1" align="left"><img src="/pc/img/blank.gif" width="12" height="8"><font color="#000000"><font color="#FF9966">当前位置</font>：<a href="/default.htm" class="under">洪恩在线</a> 
      -&gt; <a href="/pc/index.htm" class="under">电脑乐园</a> -&gt; JavaScript实例</font></td>
  </tr>
</table>
<table width="760" border=0 cellspacing="0" cellpadding="0" align="center">
  <tr> 
    <td width="207" valign="top"><img src="img/bule.gif" width="207" height="13"></td>
    <td bgcolor="A8A8AB" width="1"><img src="img/blank.gif" width="1" height="1"></td>
    <td align="right" height="22" width=530><img src="img/js.gif" width="186" height="20"></td>
    <td width="22"><img src="img/blank.gif" width="1" height="1"></td>
  </tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr> 
    <td width="124"><img src="img/blank.gif" width="1" height="1"></td>
    <td background="img/line.gif" height="27" width=636><img src="img/blank.gif" width="1" height="1"></td>
  </tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr> 
    <td class=p3 align="center" width=711><b>　　　　　页面自动滚动 </b></td>
    <td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
    <td class="p2" width="48">&nbsp;</td>
  </tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr> 
    <td align="center" valign="top">&nbsp;</td>
    <td>&nbsp;</td>
    <td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
    <td width="37" align="center">&nbsp;</td>
  </tr>
  <tr> 
    <td align="center" valign="top"> 
      <table width="100%" border="0" cellspacing="0" cellpadding="0">
        <tr align="center"> 
          <td> 
            <table width="110" border="0" cellspacing="0" cellpadding="0">
              <tr bgcolor="5F74BF" align="center"> 
                <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 src="img/bule2.gif" width="11" height="18"></td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
    </td>
    <td class=p2 > 
      <p>&nbsp;</p>
      <form>
        　　　　<input type="button" name="submit" value="开始滚动" onClick="scrollhtml()"></form>
      
      <p>&nbsp;</p>
      </td>
    <td bgcolor="5F74BF" width="28" align="center">&nbsp;</td>
    <td width="37" align="center">&nbsp;</td>
  </tr>
  <tr> 
    <td align="center" valign="top"> 
      <table width="100%" border="0" cellspacing="0" cellpadding="0">
        <tr> 
          <td height="30">&nbsp;</td>
        </tr>
        <tr align="center"> 
          <td> 
            <table width="110" border="0" cellspacing="0" cellpadding="0">
              <tr bgcolor="5F74BF" align="center"> 
                <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 src="img/bule2.gif" width="11" height="18"></td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
    </td>
    <td width="457" class="p2" valign="top"><b><br>
      <br>
      </b><span class="p1"><font color="#6633FF"><br>
      这段程序放在&lt;head&gt;与&lt;/head&gt;之间</font></span><b><br>
      </b>
      <form>
        <p>
          <textarea name="textarea" onFocus="this.select()" onMouseOver="this.focus()" cols="50" rows="10" wrap="VIRTUAL" style="BACKGROUND-COLOR: #D5E9FD;" >&lt;SCRIPT LANGUAGE=&quot;JAVASCRIPT&quot;&gt;
&lt;!--
var position = 0;
var timeoutid=null; 
function scrollhtml() {
if (position &lt; 400 ){
position++;
scroll(0,position);
clearTimeout(timeoutid);
timeoutid = setTimeout(&quot;scrollhtml()&quot;,100); }
else{
clearTimeout(timeoutid);
scroll(0,0);
}}
--&gt;
&lt;/SCRIPT&gt; </textarea>
         </p>
        <p><span class="p1"><font color="#6633FF">这段程序放在&lt;body&gt;与&lt;/body&gt;之间</font></span><b></b></p>
        <p>
          <textarea name="textarea2" onFocus="this.select()" onMouseOver="this.focus()" cols="50" rows="3" wrap="VIRTUAL" style="BACKGROUND-COLOR: #D5E9FD;" >&lt;input type=&quot;button&quot; name=&quot;submit&quot; value=&quot;开始滚动&quot; onClick=&quot;scrollhtml()&quot;&gt;</textarea>
        </p>
        </form>
      <b><br>
      </b></td>
    <td bgcolor="5F74BF" width="28" align="center">&nbsp;</td>
    <td width="37" align="center">&nbsp;</td>
  </tr>
  <tr>
    <td align="center" valign="bottom"> 
      <table width="238" border="0" cellspacing="0" cellpadding="0">
        <tr align="center"> 
          <td> 
            <table width="110" border="0" cellspacing="0" cellpadding="0">
              <tr bgcolor="5F74BF" align="center"> 
                <td class="p1" align="right"><b><font color="#FFFFFF">源程序讲解：</font></b></td>
                <td class="p1" width="11"><img src="img/bule2.gif" width="11" height="18"></td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
    </td>
    <td width="457" class="p2" valign="top">&nbsp;</td>
    <td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
    <td width="37" align="center">&nbsp;</td>
  </tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr> 
    <td class="p2" align="right" width="693"> <br>
      <table width="650" border="0" cellspacing="0" cellpadding="0">
        <tr> 
          <td> 
            <table width="100%" border="1" cellspacing="1" cellpadding="1" bordercolorlight="#666666" bordercolordark="#666666" class=p2>
              <tr> 
                <td width="363"> 
                  <p>var position = 0; <br>
                  </p>
                </td>
                <td width="397">设置变量position的值为0。</td>
              </tr>
              <tr bgcolor="CFDFFF"> 
                <td width="363">var timeoutid=null; <br>
                </td>
                <td width="397">设置延时变量的值为空。</td>
              </tr>
              <tr> 
                <td width="363">function scrollhtml()<br>
                </td>
                <td width="397">定义一个函数。</td>
              </tr>
              <tr bgcolor="CFDFFF"> 
                <td width="363">{ if (position < 400 )<br>
                  { position++;<br>
                </td>
                <td width="397">如果当前的页面长度小于400，opsition的值累加，直至大于等于400。</td>
              </tr>
              <tr> 
                <td width="363">scroll(0,position);<br>
                </td>
                <td width="397">页面开始滚动，x坐标不动，y向开始滚动，直到posotion位置。</td>
              </tr>
              <tr bgcolor="CFDFFF"> 
                <td width="363">clearTimeout(timeoutid); <br>
                </td>
                <td width="397">取消延时变量的值。</td>
              </tr>
              <tr> 
                <td width="363">timeoutid = setTimeout("scrollhtml()",100); }<br>
                </td>
                <td width="397">settimeout的作用就是在100毫秒后，自动调用scrollhtml函数。</td>
              </tr>
              <tr bgcolor="CFDFFF"> 
                <td width="363">else{ clearTimeout(timeoutid); </td>
                <td width="397">如果当前的页面长度不小于400，每100毫秒，自动调用scrollhtml函数，此时间可以自己设置，它决定滚动速度。</td>
              </tr>
              <tr> 
                <td width="363">scroll(0,0);</td>
                <td width="397">回到初始位置。</td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
      <br>
      <br>
    </td>
    <td class="p2" width="18">&nbsp;</td>
    <td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
    <td class="p2" width="48">&nbsp;</td>
  </tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr bgcolor="5F74BF"> 
    <td>&nbsp;</td>
  </tr>
</table>
<p>&nbsp;</p>
</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -