Techniques for simulating jsonp_javascript in JavaScript

function Prescript (s) {if (S.cache = = undefined) {S.cache = false;
    } if (s.crossdomain) {s.type = ' get '; } function Prejsonp (s, originalsettings, JQXHR) {//to the callback function named var callbackname = S.jsonpcallback S.url += (/(?:) /.test (S.url)? "&": "?"
    + S.jsonp + "=" + callbackname; Using a data converter to retrieve JSON//supplied to the code fetch server after the execution of the script is S.getdata = function () {if (!responsecontainer) {jquery.er
      Ror (Callbackname + "is not called");
    return responsecontainer[0];
    };
    Modify the processing mechanism s.datatypes[0] = "JSON";
    Create a global function overwritten = Window[callbackname];
    Used to collect server-given data window[callbackname] = function () {responsecontainer = arguments;

    };
  return "script"; 
    /** * JSONP pre-processing/function Inspectprefiltersortransportsa (options, Originaloptions, JQXHR) {//preprocessing JSONP var datatypeortransport = Prejsonp (options, Originaloptions, JQXHR)//EXTENSION Datatypes Options.dataTypes.unshift (Datatypeortransport); Preprocessing script type Prescript (options)}/** * Distributor * @return {[type]} [description]/function Inspectpref ILTERSORTRANSPORTSB (S, originaloptions, JQXHR) {return {Send:function (_, complete) {var script = Jqu ery ("<script>"). Prop ({async:true, Charset:s.scriptcharset, Src:s.url}). On
            ("Load Error", callback = function (evt) {script.remove ();
            callback = NULL;
        if (evt) {Complete ()}}); <script async= "" src= "http://192.168.1.113:8080/github/jQuery/jsonp.php Document.head.appendChild (script[0))
      ; 
   /** * Simulate Ajax JSONP Request * @param {[type]} options [description] * @return {[type]} [description]
      */function Createajax (options) {if (typeof url = = "Object") {options = URL;
    url = undefined;

  }  options = Options | |

    {};

    /** * parameter * jquery.ajaxsetup is the default parameter * @type {[type]}/var s = Jquery.ajaxsetup ({}, Options);
    Deferreds//asynchronous mechanism var deferred = jquery.deferred ();

    var completedeferred = jquery.callbacks ("Once Memory"); /** * Actual return Ajax Object * @type {Object} */var jqxhr = {}//Convert JQXHR object to Promise object, add complete, success, er
    Ror method Deferred.promise (JQXHR). Complete = Completedeferred.add;
    Alias jqxhr.success = Jqxhr.done;

    Jqxhr.error = Jqxhr.fail; S.datatypes = Jquery.trim (S.datatype | | "*"). toLowerCase (). Match (/(?:) /) ||

    [""];

    Pretreatment of Inspectprefiltersortransportsa (S, options, JQXHR);
    For (i in {success:1, error:1, complete:1}) {Jqxhr[i] (s[i));

    /** * Distributor */transport = INSPECTPREFILTERSORTRANSPORTSB (s, options, JQXHR);
    function done (status, Nativestatustext, responses, headers) {Console.log (S,s.getdata ())///Send request Transport.send (s, done);
  return JQXHR;
  function Show (data) {$ (' body '). Append (' <li> ' + data + ' </li> '); /** * Data Callback received * @return {[type]} [description]/function Flighthandler () {} $ ("#test"). Click (functi
    On () {//executing an Asynchronous HTTP (Ajax) request. var ajax = createajax ({url: ' http://192.168.1.113:8080/github/jQuery/jsonp.php ', data: {' action ': ' A Aron '},//The array of DataType: ' Jsonp ',//data type JSONP: ' Callback ',//specifying the callback function name, consistent with the server-side reception, and sending back the JSONP Callback:flighthandler, Success:function () {Show (' Local event Success ')}})