old_contents: module.exports = function () {
    var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : null;
  
    if (xhr && 'withCredentials' in xhr) {
      return false;
    }
  
    if ('XDomainRequest' in window && window.location.protocol === 'https:') {
      return false;
    }
  
    return true;
  };
new_contents: /**
   * Expose `use_jsonp`
   */
  
  module.exports = use_jsonp;
  
  /**
   * Return true if `jsonp` is required
   *
   * @return {Boolean}
   * @public
   */
  
  function use_jsonp() {
    var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : null;
  
    if (xhr && 'withCredentials' in xhr) {
      return false;
    }
  
    if ('XDomainRequest' in window && window.location.protocol === 'https:') {
      return false;
    }
  
    return true;
  };
  
subject: Update use_jsonp API docs