Get the timestamp set the timezone and return a string with all glued together

get-timestamp-string.js

var timezoneOffset = 8;
var d = new Date();
var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
var timestamp = new Date(utc + (3600000*timezoneOffset));
var time_string = timestamp.getFullYear().toString()
time_string += timestamp.getMonth() < 10 ? '0' + timestamp.getMonth().toString() : timestamp.getMonth().toString();
time_string += timestamp.getDate() < 10 ?  '0' + timestamp.getDate().toString() : timestamp.getDate().toString();
time_string += timestamp.getHours() < 10 ? '0' + timestamp.getHours().toString() : timestamp.getHours().toString();
time_string += timestamp.getMinutes() < 10 ? '0' + timestamp.getMinutes().toString() : timestamp.getMinutes().toString();
time_string += timestamp.getSeconds() < 10 ?   '0' + timestamp.getSeconds().toString() : timestamp.getSeconds().toString();
time_string += (function(timestamp){
  if(timestamp.getMilliseconds() < 10 ){
    return '000' + timestamp.getMilliseconds().toString()
  }
  else if( timestamp.getMilliseconds() >= 10 && timestamp.getMilliseconds() < 100 ){
    return '00' + timestamp.getMilliseconds().toString()
  }
  else if( timestamp.getMilliseconds() >= 100 && timestamp.getMilliseconds() < 1000 ){
    return '0' + timestamp.getMilliseconds().toString()
  }
  else {
    return timestamp.getMilliseconds().toString()
  }
}(timestamp));