maskedinput_async

maskedinput_async.js

jQuery.cachedScript = function( url, options ) {
 
  // Allow user to set any option except for dataType, cache, and url
  options = $.extend( options || {}, {
    dataType: "script",
    cache: true,
    url: url
  }); 
 
  // Use $.ajax() since it is more flexible than $.getScript
  // Return the jqXHR object so we can chain callbacks
  return jQuery.ajax( options );
};

jQuery.cachedScript("//cdnjs.cloudflare.com/ajax/libs/jquery.maskedinput/1.4.1/jquery.maskedinput.min.jss").done(function() {
     $("input[name='phone']").mask("38 (099) 999-99-99");
});