javascript获取函数名称、函数参数、对象属性名称的代码实例

     var getFnName = function(callee){
      var _callee = callee.toString().replace(/[/s/?]*/g,""),
      comb = _callee.length >= 50 ? 50 :_callee.length;
      _callee = _callee.substring(0,comb);
      var name = _callee.match(/^function([^/(]+?)/(/);
      if(name && name[1]){
        return name[1];
      }
      var caller = callee.caller,
      _caller = caller.toString().replace(/[/s/?]*/g,"");
      var last = _caller.indexOf(_callee),
      str = _caller.substring(last-30,last);
      name = str.match(/var([^/=]+?)/=/);
      if(name && name[1]){
        return name[1];
      }
      return "anonymous"
    };

    function  ee(){
      //+++++++++++++++++++++++++++++++++
      var fnname =getFnName(arguments.callee)
      //+++++++++++++++++++++++++++++++++
      alert(fnname)
    };
    ee();

function getFuncName(_callee)
{
 var _text = _callee.toString();
 var _scriptArr = document.scripts;
 for (var i=0; i<_scriptArr.length; i++)
 {
  var _start = _scriptArr[i].text.indexOf(_text);
  if (_start != -1)
  {
   if (/^function/s*/(.*/).*/r/n/.test(_text))
   {
    var _tempArr = _scriptArr[i].text.substr(0, _start).split('/r/n');
    return _tempArr[_tempArr.length - 1].replace(/(var)|(/s*)/g, '').replace(/=/g, '');
   }
   else
    return _text.match(/^function/s*([^/(]+).*/r/n/)[1];
  }
 }
}
function a()
{
 return getFuncName(arguments.callee);
}
var b = function()
{
 return getFuncName(arguments.callee);
}
window.alert(a());
window.alert(b());

var x =  
{ 
    run : function() 
    { 
        return getFuncName(arguments.callee); 
    } 
} 
window.alert(x.run()); 

function test(){

for(var i=0;i<arguments.length;i++)
 document.write(arguments[i]);

}

<script language="javascript">

var obj = new Object();
obj.myname = "我是对象";
obj.pro2 = "23";
obj.pro3 = "abcdeg"; php程序员站

for (items in obj){
 document.write("属性:"+items+"的值是 ("+ obj[items] +")");
 document.write("<br>");
}
</script>