论坛博客代码框
<script language="JavaScript" type="text/JavaScript">
//运行文本域代码
function runEx(cod1) {
cod=document.all(cod1)
var code=cod.value;
if (code!=""){
var newwin=window.open('','',''); //打开一个窗口并赋给变量newwin。
newwin.opener = null // 防止代码对论谈页面修改
newwin.document.write(code); //向这个打开的窗口中写入代码code，这样就实现了运行代码功能。
newwin.document.close();
}
}
</script>
<textarea id="rn01" style="width: auto" name="textarea" rows="10" cols="60"><span style="color:red">博客及论坛常用的运行代码框测试</span>
</textarea><br />
<input style="cursor: pointer" onclick="runEx('rn01')" type="button" value="运行代码"> [Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行] </p>
<p> </p>
<textarea id="rn02" style="width: auto" name="textarea" rows="10" cols="60"><span style="color:red">博客及论坛常用的运行代码框测试</span>
</textarea><br />
<input style="cursor: pointer" onclick="runEx('rn02')" type="button" value="运行代码"> [Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行] </p>
<p> </p>
<p>代码：</p>
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</span><span style="color: #0000ff"><</span><span style="color: #800000">script </span><span style="color: #ff0000">language</span><span style="color: #0000ff">="JavaScript"</span><span style="color: #ff0000"> type</span><span style="color: #0000ff">="text/JavaScript"</span><span style="color: #0000ff">></span><span style="color: #000000; background-color: #f5f5f5"><br />
</span><span style="color: #008000; background-color: #f5f5f5">//</span><span style="color: #008000; background-color: #f5f5f5">运行文本域代码</span><span style="color: #008000; background-color: #f5f5f5"><br />
</span><span style="color: #0000ff; background-color: #f5f5f5">function</span><span style="color: #000000; background-color: #f5f5f5"> runEx(cod1) {<br />
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</span><span style="color: #0000ff; background-color: #f5f5f5">if</span><span style="color: #000000; background-color: #f5f5f5"> (code</span><span style="color: #000000; background-color: #f5f5f5">!=</span><span style="color: #000000; background-color: #f5f5f5">""</span><span style="color: #000000; background-color: #f5f5f5">){<br />
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</span><span style="color: #000000; background-color: #f5f5f5"> newwin.opener </span><span style="color: #000000; background-color: #f5f5f5">=</span><span style="color: #000000; background-color: #f5f5f5"> </span><span style="color: #0000ff; background-color: #f5f5f5">null</span><span style="color: #000000; background-color: #f5f5f5"> </span><span style="color: #008000; background-color: #f5f5f5">//</span><span style="color: #008000; background-color: #f5f5f5"> 防止代码对论谈页面修改</span><span style="color: #008000; background-color: #f5f5f5"><br />
</span><span style="color: #000000; background-color: #f5f5f5"> newwin.document.write(code); </span><span style="color: #008000; background-color: #f5f5f5">//</span><span style="color: #008000; background-color: #f5f5f5">向这个打开的窗口中写入代码code，这样就实现了运行代码功能。</span><span style="color: #008000; background-color: #f5f5f5"><br />
</span><span style="color: #000000; background-color: #f5f5f5"> newwin.document.close();<br />
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</span><span style="color: #0000ff"><</span><span style="color: #800000">br</span><span style="color: #0000ff">><</span><span style="color: #800000">INPUT </span><span style="color: #ff0000">onclick</span><span style="color: #0000ff">="runEx('rn01')"</span><span style="color: #ff0000"> type</span><span style="color: #0000ff">="button"</span><span style="color: #ff0000"> value</span><span style="color: #0000ff">="运行代码"</span><span style="color: #ff0000"> style</span><span style="color: #0000ff">="cursor:hand"</span><span style="color: #0000ff">></span><span style="color: #ff0000">&nbsp;&nbsp;</span><span style="color: #000000">[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]<br />
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</span><span style="color: #0000ff"></</span><span style="color: #800000">html</span><span style="color: #0000ff">></span><span style="color: #000000"><br />
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