JavaScript Cross Domain

First, JSONP

JQuery JSONP:

0> Dynamic Script

var script = document.createelement (' script '= '' http://...? Function_defined_on_server=my_callback_function '; document.head.appendChild (script); function my_callback_function (data) {    //  ...        }

1>

$.ajax ({

URL: "http//...",

Type: ' GET ',

DataType: ' JSONP ',//here

Success:function (data) {

}

});

2>$. Getjson("http://... ", function(data) { < Span class= "hl-quotes" > })   < Span class= "hl-quotes" > 3>

$.ajax ({

URL: "http//...",

Type: ' GET ',

DataType: ' JSON ',

crossdomain:true,//default: false for same-domain requests, true for cross-domain requests

})

.done(function() { 　　alert( "success" ); }) .fail(function() { 　　alert( "error" ); }) .always(function() { 　　alert( "complete" ); });

< Span class= "hl-quotes" >
/span>

Second, the server Agent

Initiates a request on the server side to the off-site resource and then provides the resulting data to the client on the site.

Three

JavaScript Cross Domain