Access-Control-Allow-Methods: OPTIONS

CORS

Comma-delimited list of the allowed HTTP request methods.

Access-Control-Allow-Methods: POST, GET, OPTIONS

demo

var invocation = new XMLHttpRequest();var url = 'http://bar.other/resources/post-here/';var body = '
    
    
     
      Arun
     
    ';    function callOtherDomain(){  if(invocation)    {      invocation.open('POST', url, true);      invocation.setRequestHeader('X-PINGOTHER', 'pingpong');      invocation.setRequestHeader('Content-Type', 'application/xml');      invocation.onreadystatechange = handler;      invocation.send(body);     }}// ......