选择下拉列表实现导航 dn001 2009-06-21 08:28:19 <!--完成此效果须两步 第一步是把下面代码放到<head>区域中--> <script> 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(); } } //复制文本域代码 function cycode(obj) { var rng = document.body.createTextRange(); rng.moveToElementText(obj); rng.scrollIntoView(); rng.select(); rng.execCommand("Copy"); window.status="高亮度包含的代码已被复制到剪贴板!Contents highlighted and copied to clipboard!" setTimeout("window.status=''",1800) rng.collapse(false); } //另存代码 function svcode(obj) { var winname = window.open('', '_blank', 'top=10000'); winname.document.open('text/html', 'replace'); winname.document.writeln(obj.value); winname.document.execCommand('saveas','','code.htm'); winname.close(); } </script> <!--第二步是把下面代码放到<body>区域中--> <TEXTAREA rows='12' cols='78' class='fm' id='code'> <!-- http://www.knowsky.com/bbs--> </TEXTAREA> <INPUT onclick="runEx('code')" type="button" value="运行代码" style="cursor:hand"onFocus="this.blur()">;; <input type="button" name="Submit" value="复制到剪贴板" onClick="cycode(code)" style="cursor:hand;width:95px" onFocus="this.blur()">;; <input type="button" value="另存代码" onclick="svcode(code)" style="cursor:hand" onFocus="this.blur()">