HTML5 cross-domain request--post mode

        varxmlHttp; //Create the XHR object.        functioncreatecorsrequest (method, url) {varXHR =NewXMLHttpRequest (); if("Withcredentials"inchxhr) {                //XHR for Chrome/firefox/opera/safari.Xhr.open (method, URL,true); } Else if(typeofXdomainrequest! = "undefined") {                //xdomainrequest for IE.XHR =Newxdomainrequest ();            Xhr.open (method, URL); } Else {                //CORS not supported.XHR =NULL; }            if(method = = "POST") {Xhr.setrequestheader ("Content-type", "application/x-www-form-urlencoded"); }            returnXHR; }        //Helper method to parse the title tag from the response.        functionGetTitle (text) {returnText.match (' <title> (. *)?</title> ') [1]; }        //function Callback () {        //if (xmlhttp.readystate = = 4 && Xmlhttp.status = =) {        //var b = xmlhttp.responsetext;        //alert (b);        //    }        //}        //Make the actual CORS request.        functionmakecorsrequest (URL) {//All HTML5 Rocks properties support CORS.xmlHttp= Createcorsrequest (' POST ', url,true); //Xmlhttp.onreadystatechange = callback;            if(!xmlHttp) {Alert (' CORS not supported '); return; }            //Response handlers.Xmlhttp.onload =function () {                if(Xmlhttp.readystate = = 4 && xmlhttp.status = 200) {                    varText =Xmlhttp.responsetext; //var title = GetTitle (text);                    varResultdiv = document.getElementById ("Callbacktext"); Resultdiv.innerhtml=text; //alert (' Response from CORS request to ' + text);                }            }; Xmlhttp.onerror=function() {alert (' Woops, there was an error making the request. ');            }; varparams = "email=" + $ ("#email"). Val ();        Xmlhttp.send (params); }        functionurldeal (URL) {//to resolve a cached conversion            if(Url.indexof ("?") >= 0) {URL= URL + "&t=" + (NewDate ()). ValueOf (); } Else{URL= URL + "? + =" + (NewDate ()). ValueOf (); }            //troubleshoot cross-domain issues            if(Url.indexof ("http//") >= 0) {Url.replace ("?", "&"); URL= "Proxy?url=" +URL; }            returnURL; }        varURL = "Requested API address"; //var params = {"Email": "[email protected]"};        $("#btnPost"). Delegate ("", "click",function() {makecorsrequest (URL); });

HTML5 cross-domain request--post mode