Script tag implementation of JavaScript cross-domain solution

/********************************************************** Description: Cross-domain Request data JavaScript component----------------------------------------- -----------------add by  Dupe  2015-4-13 18:18:14******************************************** /;  (function  (window, undefined)  {    var _ap  = function  ()  {    }, _asyncid = 12349, _asynctype  =  "Asynctype", _version =  "1.5.0", _cbkey =  "CB",  _cb =   "";     function addsc (Url, cbandparam)  {         var script = createsc ();         script.setattribute ("src", url +  "?")  + cbandparam);         window.document.getelementsbytagname ( "Head") [0].appendchild (script);     };  &nBSP;&NBSP;FUNCTION&NBSP;DELSC (ID)  {        var scripts  =&NBSP;GETSC ();        for  (var i = 0; i  < scripts.length; i++)  {             if  (scripts[i].attributes["tb_id"])  {                 if  (parseint (scripts[i].attributes["tb_id"].value)  = == parseint (ID))  {                     remove (Scripts[i]);                 }             }        }    };     function remove (SCRIPT)  {        if  (script)  &&  ( Script.parentnode))  {             Script.parentNode.removeChild (script);        }    &NBSP;};&NBSP;&NBSP;&NBSP;&NBSP;FUNCTION&NBSP;CLEARSC ()  {         VAR&NBSP;SCRIPTS&NBSP;=&NBSP;GETSC ();        for  (var i  = 0; i < scripts.length; i++)  {             remove (Scripts[i]);        }  &NBSP;&NBSP;&NBSP;};&NBSP;&NBSP;&NBSP;&NBSP;FUNCTION&NBSP;GETSC ()  {         var s1 = [];        var scripts =  window.document.getelementsbytagname ("ScripT ");        for  (var i = 0; i <  scripts.length; i++)  {            if   (scripts[i].attributes["Tb_async"])  {                 if  (scripts[i].attributes["Tb_async"].value === _asynctype)  {                     s1.push (Scripts[i]);                 }            }         }        return s1;     };    function createsc ()  {         _asyncid++;        var script = window.document.createelement (" Script ");         script.setattribute (" tb_id ",  _asyncid);         script.setattribute ("Tb_async",  _asynctype);         script.setattribute ("type",  "Text/javascript");         script.onload = script.onreadystatechange = function  ()   {            if  (!this.readyState | |  this.readyState ===  "Loaded"  | |  this.readyState ===  "complete")  {                 //  join the waiting team. This tag object is removed after 2 seconds. Avoiding excessive cross-domain loading results in too many page script tags.                 //&nBsp;waitdel (this.attributes["tb_id"].value, 2000);          &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;DELSC (this.attributes["tb_id"].value);                 //  Resolve memory leak issues. ie6,7 seemingly invalid                  script.onload = script.onreadystatechange = null;             }        }         return script;    }    function  Waitdel (Id, interval)  {        window.setinterval (delSc (ID),  interval);     };    _ap.fn = _ap.prototype =  {        constructor: _ap,        version: _version,         init: function  (ARG)  {             return new _ap () .constructor;         },        get: function  (URL,&NBSP;CBK,&NBSP;CB,  param)  {            if  (!CB)   cb = _cb;            if  (!CBK)  cbk = _cbKey;            var  Qs = this.map (', ',  param);            &NBSP;ADDSC (url, _cbkey +  "="  + cb +  "&"  + qs);         },        geteasy: function  (url, cb,  param)  {            if  (!CB) &NBSP;CB  = _cb;            var qs =  this.map (', ',  param); &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;ADDSC ( url, _cbkey +  "="  + cb +  "&"  + qs);         },        getCustom: function  (URL,  param) &NBSP;{&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;ADDSC (url,  This.map (', ',  param));        },         map: function  (Split, params)  {             var str, strs = [];             if  (typeof params !=  "string")  {                 params = eval (params);                 for  (var p in  params)  {                     strs.push (p +  "="  + params[p])                  }                 str = strs.join (split);             } else {                 str = param;             }            return str;         },        clear:  function  () &NBSP;{&NBSP;CLEARSC (); }    };    //  syntaxerror: expected expression, got  ') '     _ap.fn.init.prototype  = _ap.fn;    window. Tbap = _ap.fn.init ();}) (window);

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Script tag implementation of JavaScript cross-domain solution