"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">

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