直接运作html的代码

function runCode(pTargetId){
var newWin=window.open('',"_blank",'');
newWin.document.open('text/html','replace');
newWin.opener=null;
var testCode=document.getElementById(pTargetId).value;
newWin.document.write(testCode);
newWin.document.close();
}

function saveCode(pTargetId){
var newWin=window.open('','_blank','top=10000');
newWin.document.open('text/html','replace');
var testCode=document.getElementById(pTargetId).value;
newWin.document.write(testCode);
newWin.document.execCommand('saveas','','code.htm');
newWin.close();
}

function copyCode(pTargetId){
var testCode=document.getElementById(pTargetId).value;
if(copy2Clipboard(testCode)!=false){
alert("生成的代码已经复制到粘贴板，你可以使用Ctrl+V 贴到需要的地方去了哦！  ");
}
}
copy2Clipboard=function(txt){
if(window.clipboardData){
window.clipboardData.clearData();
window.clipboardData.setData("Text",txt);
}
else if(navigator.userAgent.indexOf("Opera")!=-1){
   window.location=txt;
}else if(window.netscape){
try{netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");}
catch(e){
alert("您的firefox安全限制限制您进行剪贴板操作，请打开’about:config’将signed.applets.codebase_principal_support’设置为true’之后重试");return false;
}
var clip=Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
if(!clip){return;}
var trans=Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);if(!trans)
return;trans.addDataFlavor('text/unicode');var str=new Object();var len=new Object();var str=Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);var copytext=txt;str.data=copytext;trans.setTransferData("text/unicode",str,copytext.length*2);var clipid=Components.interfaces.nsIClipboard;if(!clip)
return false;clip.setData(trans,null,clipid.kGlobalClipboard);}}