• "运行代码”功能整理发布


    <SCRIPT language=JavaScript>
    function runCode()  //定义一个运行代码的函数,
    {
     if(1 == arguments.length)
      try{event = arguments[0];}catch(e){}
      var code=(event.target || event.srcElement).parentNode.childNodes[0].value;//即要运行的代码。
      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 style="overflow-x:hidden"  name="content" cols="77" rows="15" class=bbbbbb id="run">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2311">
    <title>DW调色板</title>
    <script>
    var ColorHex=new Array('00','33','66','99','CC','FF')
    var SpColorHex=new Array('FF0000','00FF00','0000FF','FFFF00','00FFFF','FF00FF')
    var current=null

    function intocolor()
    {
    var colorTable=''
    for (i=0;i<2;i++)
     {
      for (j=0;j<6;j++)
       {
        colorTable=colorTable+'<tr height=12>'
        colorTable=colorTable+'<td width=11 style="background-color:#000000">'
       
        if (i==0){
        colorTable=colorTable+'<td width=11 style="background-color:#'+ColorHex[j]+ColorHex[j]+ColorHex[j]+'">'}
        else{
        colorTable=colorTable+'<td width=11 style="background-color:#'+SpColorHex[j]+'">'}

       
        colorTable=colorTable+'<td width=11 style="background-color:#000000">'
        for (k=0;k<3;k++)
         {
           for (l=0;l<6;l++)
           {
            colorTable=colorTable+'<td width=11 style="background-color:#'+ColorHex[k+i*3]+ColorHex[l]+ColorHex[j]+'">'
           }
         }
      }
    }
    colorTable='<table width=253 border="0" cellspacing="0" cellpadding="0" style="border:1px #000000 solid;border-bottom:none;border-collapse: collapse" bordercolor="000000">'
               +'<tr height=30><td colspan=21 bgcolor=#cccccc>'
               +'<table cellpadding="0" cellspacing="1" border="0" style="border-collapse: collapse">'
               +'<tr><td width="3"><td><input type="text" name="DisColor" size="6" disabled style="border:solid 1px #000000;background-color:#ffff00"></td>'
               +'<td width="3"><td><input type="text" name="HexColor" size="7" style="border:inset 1px;font-family:Arial;" value="#000000"></td></tr></table></td></table>'
               +'<table border="1" cellspacing="0" cellpadding="0" style="border-collapse: collapse" bordercolor="000000" onmouseover="doOver()" onmouseout="doOut()" onclick="doclick()" style="cursor:hand;">'
               +colorTable+'</table>';         
    colorpanel.innerHTML=colorTable
    }

    function doOver() {
          if ((event.srcElement.tagName=="TD") && (current!=event.srcElement)) {
            if (current!=null){current.style.backgroundColor = current._background}    
            event.srcElement._background = event.srcElement.style.backgroundColor
            DisColor.style.backgroundColor = event.srcElement.style.backgroundColor
            HexColor.value = event.srcElement.style.backgroundColor
            event.srcElement.style.backgroundColor = "white"
            current = event.srcElement
          }
    }

    function doOut() {

        if (current!=null) current.style.backgroundColor = current._background
    }

    function doclick(){
    if (event.srcElement.tagName=="TD"){
    alert("选取颜色: "+event.srcElement._background)
    return event.srcElement._background
    }
    }
    </script>
    </head>

    <body onload="intocolor()">
    <div id="colorpanel" style="position: absolute;">
     </div>
    </body>
    </html>
    </TEXTAREA>
    <INPUT style="cursor:hand " type="button"  onclick="runCode()" value="运行代码">

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  • 原文地址:https://www.cnblogs.com/MaxIE/p/634523.html
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