docs: function renderNamespace(str) {
  
    var parts = [];
    var split = str.split('.');
    var len = split.length;
  
    return str.split('.').map(function(part, i) {
      parts.push(part);
      part = parts.join('.');
      return (i ? '' : 'window.') + part + ' = window.' + part + ' || {};';
    }).join('\n');
  }