/**
  * Copyright (c) 2020 Bytedance Inc.
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */ function createHash ( num ) { const hashArr = new Array ( num ) ; for ( let i = 0 ; i < num ; i ++ ) { hashArr [ i ] = ( ( Math . random ( ) * 16 ) | 0 ) . toString ( 16 ) ; } return hashArr . join ( '' ) ; } export default createHash ;