$.post(uuid.url + '/url', {
              username:'abc',
            }, function(html) {
              console.log('register');
            }, 'text');

function sendPost(inputURL) {
  try{
    var xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function() {
      if (this.readyState == 4 && this.status == 200) {
        console.log(this.responseText);
      }
    };
    xhttp.open("POST", inputURL, true);
    xhttp.send();

  } catch(e) {
    console.log(e);
  }
}