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// in AngularJS (client)

myApp.config(['$httpProvider', function($httpProvider) {
  
        $httpProvider.defaults.useXDomain = true;
        delete $httpProvider.defaults.headers.common['X-Requested-With'];
  }]);

// in Express/nodeJS

// in NodeJS/Express (server)
app.all('/*', function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "X-Requested-With");
  res.header("Access-Control-Allow-Methods", "GET, POST","PUT");
  next();

});