ledangtuanbk/check cors online

## check cors online
1. go to page with http
2. in console run this command to check

fetch('./api/some.json')
  .then(
    function(response) {
      if (response.status !== 200) {
        console.log('Looks like there was a problem. Status Code: ' +
          response.status);
        return;
      }

      // Examine the text in the response
      response.json().then(function(data) {
        console.log(data);
      });
    }
  )
  .catch(function(err) {
    console.log('Fetch Error :-S', err);
  });
	1. go to page with http
	2. in console run this command to check

	fetch('./api/some.json')
	.then(
	function(response) {
	if (response.status !== 200) {
	console.log('Looks like there was a problem. Status Code: ' +
	response.status);
	return;
	}

	// Examine the text in the response
	response.json().then(function(data) {
	console.log(data);
	});
	}
	)
	.catch(function(err) {
	console.log('Fetch Error :-S', err);
	});