ajax post with bearer token

ajaxBearer.js

$.ajax({
  url: "http://localhost:33460/api/Account/userinfo",
  dataType: 'json',
  data: {
    foo: 'bar'
  },
  success: function(data, status) {
    return console.log("The returned data", data);
  },
  beforeSend: function(xhr, settings) { xhr.setRequestHeader('Authorization','Bearer ' + tokenString ); } //set tokenString before send
});