Tp5.1 solving cross domain problems

stay public/index.php Portal file settings

header("Access-Control-Allow-Origin:*"); 
header("Access-Control-Allow-Methods:GET, POST, OPTIONS, DELETE"); 
header("Access-Control-Allow-Headers:DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type, Accept-Language, Origin, Accept-Encoding");