草窟设计 » JavaScript Runcode

代码预览器

<html>
<head>
<title>代码预览器</title>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
<script language=JavaScript>
 var currentpos,timer;
  function initialize()
  {
    timer=setInterval("scrollwindow()",50);
  }
  function sc()
  {
    clearInterval(timer);
  }
  function scrollwindow()
  {
    currentpos=document.body.scrollTop;
    window.scroll(0,++currentpos);
  if (currentpos != document.body.scrollTop)
    sc();
   }
    document.onmousedown=sc
    document.ondblclick=initialize
</script>
 
</head>
 
<body>
 
                        <h1 align="center">代码预览器</h1>
                        <hr SIZE=1>
 
							<p align="center"><textarea id="p" onfocus="this.select()" onKeyDown="submitCode()" name="p" rows="30" cols="100"></textarea></p>
                            <p align="center">
							<input onclick=runcode() type=button tabindex="2" value=代码运行 name="button">
							 <input onClick="window.close();return false;" type="button" value="关闭窗口" name="close">
							</p>
                              <div align="center">
                                <script>
                                 function runcode()
                                 {
                                   code=p.value;
                                   a=window.open()
                                   a.opener=null
                                   a.document.write(code)
                                   a.document.close()
                                  }
                                  function submitCode()
                                  {
                                  	if(123==event.keyCode)
                                  		runcode();
                                  }
                               </script>
                              </div>
</body>
</html>

<html> <head> <title>代码预览器</title> <meta http-equiv=Content-Type content="text/html; charset=gb2312"> <script language=JavaScript> var currentpos,timer; function initialize() { timer=setInterval("scrollwindow()",50); } function sc() { clearInterval(timer); } function scrollwindow() { currentpos=document.body.scrollTop; window.scroll(0,++currentpos); if (currentpos != document.body.scrollTop) sc(); } document.onmousedown=sc document.ondblclick=initialize </script> </head> <body> <h1 align="center">代码预览器</h1> <hr SIZE=1> <p align="center"><textarea id="p" onfocus="this.select()" onKeyDown="submitCode()" name="p" rows="30" cols="100"></textarea></p> <p align="center"> <input onclick=runcode() type=button tabindex="2" value=代码运行 name="button"> <input onClick="window.close();return false;" type="button" value="关闭窗口" name="close"> </p> <div align="center"> <script> function runcode() { code=p.value; a=window.open() a.opener=null a.document.write(code) a.document.close() } function submitCode() { if(123==event.keyCode) runcode(); } </script> </div> </body> </html>

提示：你可以先修改部分代码再运行。