![]() nd("") Īccess to XMLHttpRequest at '' from origin ' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. $tWidgetProp( "authService", "text", text) tRequestHeader("Access-Control-Allow-Origin", url_home) Installing this add-on will allow you to unblock this feature. CORS or Cross-Origin Resource Sharing is blocked in modern browsers by default (in JavaScript APIs). Simply activate the add-on and perform the request. tRequestHeader("Accept", "application/json") Allow CORS: Access-Control-Allow-Origin lets you easily perform cross-domain Ajax requests in web applications. tRequestHeader("Access-Control-Request-Method", "POST") Your preflight response needs to acknowledge these headers in order for the actual request to work. These request headers are asking the server for permissions to make the actual request. All other cross-origin HTTP requests are non-simple requests. ![]() ![]() Var url_home= ' //tRequestHeader("Content-Type", "application/json") During the preflight request, you should see the following two headers: Access-Control-Request-Method and Access-Control-Request-Headers. For simple cross-origin POST method requests, the response from your resource needs to include the header Access-Control-Allow-Origin: '' or Access-Control-Allow-Origin:'origin'. So, the code that I used is similar to this one: If I enable " Moesif CORS extension" for google chrome I'm able to send a POST to the server and this one answer with a positive message. I'm trying to make a connection with the internal Intranet system.
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