jsObject2String方便查看js对象内容

<script type="text/javascript">     /**      * 将JS的任意对象输出为json格式字符串      * @param {Object} _obj: 需要输出为string的对象      */     var obj2String = function(_obj) {         var t = typeof (_obj);         if (t != 'object' || _obj === null) {             // simple data type             if (t == 'string') {                 _obj = '"' + _obj + '"';             }             return String(_obj);         } else {             if ( _obj instanceof Date) {                 return _obj.toLocaleString();             }             // recurse array or object             var n, v, json = [], arr = (_obj && _obj.constructor == Array);             for (n in _obj) {                 v = _obj[n];                 t = typeof (v);                 if (t == 'string') {                     v = '"' + v + '"';                 } else if (t == "object" && v !== null) {                     v = this.obj2String(v);                 }                 json.push(( arr ? '' : '"' + n + '":') + String(v));             }             return ( arr ? '[' : '{') + String(json) + ( arr ? ']' : '}');         }     };     var obj = {         "result" : {             "fs" : {                 "TSP.IBR.MIRROR" : [{                     "_value" : "1.0",                     "_class" : 4                 }],                 "TSP.IBR.GET_FNAMES" : [{                     "_value" : "0.0",                     "_class" : 4                 }],                 "TSP.IBR.GET_TOKEN_ID" : [{                     "_value" : "0.0",                     "_class" : 4                 }],                 "TSP.IBR.INFO" : [{                     "_value" : "0.0",                     "_class" : 4                 }]             }         },         "isCanceled" : false,         "e" : "",         "isResponsed" : true,         "aoqSize" : 0,         "isAsyncPost" : false,         "code" : 0,         "reqUID" : "xxxx-xxxxxx-xxxxx-6c2f17bb-ea18-42ec-98fa-3f63b8d26aba-nd-rq",         "version" : "1.0",         "fName" : "TSP.IBR.GET_FNAMES",         "message" : "成功获取 4 个功能",         "dir" : "DOWN",         "nodeTime" : 1362462128706,         "isKeyCompressed" : false,         "seq" : 2     }     alert(obj2String(obj)) </script>