docs: function dasherize(str) {
    var cache = STRING_DASHERIZE_CACHE,
        hit   = cache.hasOwnProperty(str),
        ret;
  
    if (hit) {
      return cache[str];
    } else {
      ret = decamelize(str).replace(STRING_DASHERIZE_REGEXP,'-');
      cache[str] = ret;
    }
  
    return ret;
  }