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<title>洪恩在线 - Javascript实例</title>
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<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>
-> <a href="/pc/index.htm" class="under">电脑乐园</a> -> JavaScript实例</font></td>
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<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>
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<td class=p3 align="center" width=711><b> 闪 烁 文 字</b></td>
<td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
<td class="p2" width="48"> </td>
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<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
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<td align="center" valign="top"> </td>
<td> </td>
<td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
<td width="37" align="center"> </td>
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<td align="center" valign="top">
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<td class="p1" align="right"><b><font color="#FFFFFF">效 果 演 示:</font></b></td>
<td class="p1" width="11"><img src="img/bule2.gif" width="11" height="18"></td>
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</td>
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<td class=p2 align="left" >
<p> </p>
<table width="70%" border="0" cellspacing="0" cellpadding="0">
<tr bgcolor="CFDFFF">
<td>
<script language=javascript>
<!--
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
}
}
var ctext = "看看我,我会变色";
var speed = 1000;
var x = 0;
var color = new initArray(
"red",
"blue",
"green",
"black",
"yellow",
"pink");
if (navigator.appVersion.indexOf("MSIE") != -1)
{
document.write('<div id="c"><center>'+ctext+'</center></div>');
}
function chcolor()
{
if (navigator.appVersion.indexOf("MSIE") != -1)
{
document.all.c.style.color = color[x];
}
(x < color.length-1) ? x++ : x = 0;
}
setInterval("chcolor()",1000);
-->
</script>
</td>
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<p> </p>
</td>
<td bgcolor="5F74BF" width="28" align="center"> </td>
<td width="37" align="center"> </td>
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<tr>
<td align="center" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<td height="30"> </td>
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<table width="110" border="0" cellspacing="0" cellpadding="0">
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<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>
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</table>
</td>
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</td>
<td width="457" class="p2" valign="top"><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<body>与</body>之间</font></span></p>
<p>
<textarea name="textarea2" onFocus="this.select()" onMouseOver="this.focus()" cols="50" rows="15" wrap="VIRTUAL" style="BACKGROUND-COLOR: #D5E9FD;" ><script language=javascript>
<!--
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
}
}
var ctext = "看看我,我会变色";
var speed = 1000;
var x = 0;
var color = new initArray(
"red",
"blue",
"green",
"black",
"yellow",
"pink");
if (navigator.appVersion.indexOf("MSIE") != -1)
{
document.write('<div id="c"><center>'+ctext+'</center></div>');
}
function chcolor()
{
if (navigator.appVersion.indexOf("MSIE") != -1)
{
document.all.c.style.color = color[x];
}
(x < color.length-1) ? x++ : x = 0;
}
setInterval("chcolor()",1000);
-->
</script></textarea>
</p>
</form>
<b><br>
</b></td>
<td bgcolor="5F74BF" width="28" align="center"> </td>
<td width="37" align="center"> </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"> </td>
<td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
<td width="37" align="center"> </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">
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<td>
<table border="1" cellspacing="1" cellpadding="1" width="100%" bordercolorlight="#666666" bordercolordark="#666666" class=p2>
<tr>
<td width="410"353">function initArray() <br>
</td>
<td width="330"353">定义数组initArray。</td>
</tr>
<tr>
<td width="410"353 bgcolor="CFDFFF"">{ this.length = initArray.arguments.length;
<br>
</td>
<td width="330"353 bgcolor="CFDFFF"">把数组的个数的值赋给this.length。</td>
</tr>
<tr>
<td width="410"353">for (var i = 0; i < this.length; i++) <br>
{ this[i] = initArray.arguments[i]; } }<br>
</td>
<td width="330"353">当i的值小于数组的个数时,i=i+1。</td>
</tr>
<tr>
<td width="410"353 bgcolor="CFDFFF"">var ctext = "看看我,我会变色";<br>
</td>
<td width="330"353 bgcolor="CFDFFF"">声明一个字符型变量。</td>
</tr>
<tr>
<td width="410"353">var speed = 1000;<br>
</td>
<td width="330"353">声明一个变量。</td>
</tr>
<tr>
<td width="410"353 bgcolor="CFDFFF"">var x = 0;<br>
</td>
<td width="330"353 bgcolor="CFDFFF"">声明一个变量。</td>
</tr>
<tr>
<td width="410"353">var color = new initArray( "red",
"blue", "green", "black", "yellow",
"pink");<br>
</td>
<td width="330"353">声明变量color的值为数组initArray中的元素。</td>
</tr>
<tr bgcolor="CFDFFF">
<td width="410"353">if (navigator.appVersion.indexOf("MSIE")
!= -1)<br>
{ document.write('<div id="c"><center>'+ctext+'</center></div>');
} <br>
</td>
<td width="330"353">如果浏览器是IE,就建一个区域,输出变量ctext的值。</td>
</tr>
<tr>
<td width="410"353">function chcolor()<br>
</td>
<td width="330"353">定义一个函数chcolor。</td>
</tr>
<tr>
<td width="410"353 bgcolor="CFDFFF"">if (navigator.appVersion.indexOf("MSIE")
!= -1)<br>
{ document.all.c.style.color = color[x]; }<br>
</td>
<td width="330"353 bgcolor="CFDFFF"">如果浏览器是IE,就直接按颜色输出文本。</td>
</tr>
<tr>
<td width="410"353">(x < color.length-1) ? x++ : x = 0; }<br>
</td>
<td width="330"353">如果颜色都变化完了,就重新开始。</td>
</tr>
<tr>
<td width="410"353 bgcolor="CFDFFF"">setInterval("chcolor()",1000);</td>
<td width="330"353 bgcolor="CFDFFF"">没一秒调用一次chcolor函数,即每秒换一次颜色。</td>
</tr>
</table>
</td>
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</table>
<br>
<table width="640" border="0" cellspacing="0" cellpadding="0">
<tr>
<td><span class="p1"><font color="#6633FF">注:此效果只能在IE浏览器中实现。</font></span><b></b></td>
</tr>
</table>
<br>
</td>
<td class="p2" width="18"> </td>
<td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
<td class="p2" width="48"> </td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr bgcolor="5F74BF">
<td> </td>
</tr>
</table>
</body>
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