then method

sendSMS(phoneNo).then(function(data) {
   var msg = (data && data[ ' msg ' ]) ? data[ ' msg ' ] : ' The verification code has been sent, please be patient ' ;
  qAlert(msg);
  // SMS verification code countdown 
  localStorage.setItem( ' time ' , Date.parse( new Date() ) );
  self.interval(sec);
  
}, function(data) {
  var msg = (data && data[ ' msg ' ]) ? data[ ' msg ' ] : ' Failed to send verification code, please try again later ' ;
  qAlert(msg);
})