Posts by EJ Mason • 121 points

• 2

  votes

  2

  answers

  627

  views

  A: Fetch API cannot load [URL]. Response for preflight has invalid HTTP status code 404

  Often, Postman will work because the rules of "Cross Origin Requests" do not apply. If you are using Express.js, you can use this: https://www.npmjs.com/package/cors The problem is that your server…

  javascript http-request request

  answered 7 years, 3 months ago EJ Mason 121