(CORS) Cross-origin Resource Sharing Solution

Some accepted cross-origin resource access solutions when the XMLHTTPRequest object accesses cross-origin resources are called

(CORS) Cross-origin Resource Sharing Solution.

In IE8, CORS can be performed through xdomainrequest, while in other browsers, xhr objects can be used.

CORS.

The code is taken from the Javascript advanced programming Version 3:

1 function acorsrequest (method, URL) {2 3 var xhr = new XMLHttpRequest (); 4 5 If ('withcredentials 'in xhr) {6 // prepare the request for 7 xhr. open (method, URL, true); 8} else if (typeof xdomainrequest! = 'Undefined') {9 10 xhr = new xdomainrequest (); 11 12 xhr. open (method, URL); 13 14} else {15 xhr = NULL; 16} 17 18 return xhr; 19 20 21}

 

(CORS) Cross-origin Resource Sharing Solution